Pratica di Shadowing: The Uncomfortable Truth About Ozempic (Updated Version) - Impara a parlare inglese con i video
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In the last few years,
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a Zempic or Manjaro managed to make millions of people lose massive amounts of weight,
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with seemingly only mild side effects.
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More than 1 in 8 US adults have tried the drugs,
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and for the first time in history,
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the country's obesity rate actually fell.
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At the end of 2025,
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the WHO added GLP-1 drugs to its Essential Medicines list for diabetics,
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and released guidelines on how to use it for obesity.
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For the first time ever,
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we have a medication that reliably,
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quickly and seemingly safely can make people lose weight.
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Sometimes massive amounts of weight.
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But as with most things related to nutrition,
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health and weight loss, these medications are controversial.
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There are many aspects to GLP-1s,
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but we'll focus on one today,
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the potential medical revolution these drugs could mean for obesity,
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one of the most deadly chronic diseases of our time
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that over 1 billion people suffer from and that remains largely unsolved and underfunded.
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It turns out GLP-1 drugs are the first effective medical treatment for obesity in medical history.
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The Obesity Trap In 2025,
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more than a half of Europeans were either overweight or obese,
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plus one in three children.
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And in many countries like the US,
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Mexico, Chile or Saudi Arabia,
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the numbers are even worse.
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Today, this kills almost 4 million people each year,
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and if trends continue, by 2050,
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one in three adults on Earth will be obese and half of humanity will be overweight.
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When hearing the word obese,
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most people think of the extreme ends of the spectrum,
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but this is not correct.
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It's not very helpful that the definition of obese is a bit vague because bodies are pretty different.
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So, it can be a BMI of over 30,
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your waist to hip ratio,
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or a body fat percentage of over 25% for men and over 32% for women.
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In the end, obese is a medical term that doesn't judge how you look,
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but if you have an unhealthy amount of body fat.
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How did we get here?
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For most of our history, food was scarce.
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So when our ancestors found a calorie bomb,
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binging on it was the best of ideas.
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The more sugar, fat and salt, the better.
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Our brains are wired to love these foods.
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They bring pleasure, enjoyment and mental release.
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This helped us survive in a world where food was the most important thing to worry about each day.
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And then the world changed overnight and suddenly our modern food environment hijacked our biology.
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Food is a product now and has become cheap,
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calorie dense and hyper palatable,
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which means it's been engineered with addictive levels of sugar,
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fat and salt, making our reward centers go ballistic with joy.
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About half of the products in a US grocery store are ultra-process,
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and many are labeled in ways that are deeply misleading,
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like the serving sizes on packs of chips.
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Marketing strategies like value pricing and constant food ads stimulate us to eat more.
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So most people overeat regularly, sometimes without even noticing.
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And this is very subtle.
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Most people don't get overweight because they massively lack self-control,
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they just eat a little bit too much over a long period of time time.
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Just a small excess like the equivalent of half a Snickers
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over your maintenance calories per day compounds to almost 5 kilograms or 10 pounds of fat after a year.
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This is how most people get obese slowly, bit by bit.
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Since being overweight is also shamed on top of being unhealthy,
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we try to fix our overeating behavior with all sorts of, well, behavioral methods.
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The world is filled with diets and healthy habits campaigns,
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but if we look at the results,
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just telling people to eat healthier foods and to move more does very little in the real world.
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Most people gain back most weight they lose during a diet within a year or two and often gain more afterwards,
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often through little fault of their own because once you do lose weight,
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your body is also working against you by trying to bring you back to the fat baseline it was used to.
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Really, the only reliable way to do it is a lifestyle change,
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not a break from calorie dense food,
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but a lifestyle where you eat it only occasionally or not at all.
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Which is not just very hard,
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but also feels like saying no to some of the best things in life.
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Finally, there's simply hunger, a really strong and hard-to-ignore signal from your body.
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How hungry you are is genetic,
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so just through bad luck,
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you may experience a lot of food noise and think about eating a lot.
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To make things worse in many people who get overweight or obese,
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their hunger signal becomes dysregulated.
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Not necessarily permanently, but even after losing weight,
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it can take a long time before your hunger adjusts downwards again.
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And this is exactly where GLP-1 drugs interact with our biology.
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Before we get there, let's fix something easier first.
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How we engage with the news every day.
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Our partner Ground News is a website and app built to help you think critically about the information you consume,
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a mission we fully support.
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They curate news articles from across the globe,
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adding context on political bias,
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reliability, ownership, and summaries that highlight what each side is leaving out.
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You can even compare headlines to see how bias shapes the narrative.
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The same weight loss drug story might be framed as a miracle by some outlets,
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while others warn about harmful trends.
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Ground News also reveals blind spots,
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stories that only one side is covering,
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showing you what your usual news feed is hiding.
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As information bubbles are becoming the norm,
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thinking critically about the news is no longer optional,
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and Ground News makes it easier to do just that.
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If you'd like to give them a try,
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go to ground.news.nutshell or scan the QR code on the screen.
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Using this link gives you 40% off an unlimited access subscription and directly supports our channel.
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And now, back to losing weight.
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hunger is hormones.
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Many eating behaviors, eat now or later,
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chocolate or vegetables, are actually governed by an orchestra of hormones that are not within your control.
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You're not hungry in the evening because you decide to be or because this is when your body needs energy,
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but because your body releases certain hormones.
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And it turns out your fat is one of the major regulators of this orchestra.
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If you're overweight or obese,
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the excess This fat is throwing your hormonal orchestra out of tune.
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This may make you more hungry or push you to overeat more,
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creating insulin resistance that causes type 2 diabetes and so on.
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We made a video if you want details.
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But there's one specific hormone that plays its tune quietly in the background,
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even in obese people.
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The glucagon-like peptide 1 or GLP-1.
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It's one of the hormones your body releases after a meal.
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It tells your pancreas to release more insulin to keep blood sugar in check,
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and slows down your digestion to keep food in your stomach.
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And in your brain, it increases your feeling of fullness and being satisfied, curbing your appetite.
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These effects are usually modest.
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Once in your bloodstream, GLP-1 disappears in barely two minutes,
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its song quickly fading away.
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So, one day, scientists had an idea.
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What if we made artificial copies of GLP-1 that play the same song but louder and much longer?
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A GLP-1 signal that stays in your body would boost insulin and silence appetite.
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The first artificial GLP-1 was approved in 2005 for diabetes and in 2014 for obesity,
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but the revolution came with semaglutide and terzapatite, Ozempic and Majora.
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highly powerful GLP-1 agonists that play their songs in your bloodstream for up to a week.
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They send out a loud and steady signal that dials down your appetite 24-7.
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You still enjoy food, but you feel full and satisfied much sooner,
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making it easy to not overeat.
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And since the song never really switches off,
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you feel less hungry throughout your day,
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making you eat less often.
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How intensely you feel hunger is largely genetic,
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so especially people who suffer from food noise,
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a constant urge to eat,
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feel a huge psychological relief from the drug.
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Finally, their body stopped screaming at them.
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Suddenly, you're dieting without expending willpower,
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without really thinking about it.
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It feels magically effortless.
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By changing your biology, a drug changed your behavior.
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But, hmm, is this a good thing?
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Miracle drugs.
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On the weight loss side,
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these drugs are incredibly effective.
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In three months, you can lose 10% of your initial weight,
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three months later, over 15,
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and after a year, you may reach more than 20%,
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a level of weight loss that used to only really be achievable through bariatric surgery.
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In other words, GLP-1 drugs make excess weight melt away like nothing before.
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We can't stress enough at how unhealthy obesity is,
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causing everything from diabetes to heart attacks and cancer,
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so the consequences for health are stunning.
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Treatment with semaglutide cuts your risk of stroke or heart attack by 20%.
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17 months of terzepatide crashes your chances of developing diabetes by 66%.
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They also reduce sleep apnea,
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improve kidney and liver function,
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lower inflammation, cut cancer risk,
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and may potentially slow Alzheimer's.
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They might even boost fertility,
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as obesity often disrupts hormones and increases complications during pregnancy.
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And there may be more positive long-term effects.
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Some of these benefits are a direct result of weight loss,
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but intriguingly, they sometimes occur regardless of how much weight has been lost,
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and some have been seen in patients who weren't obese to begin with.
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We don't know why yet,
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but it seems like turning up the GLP-1 signal is synchronizing the whole metabolic orchestra,
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restoring a balance between brain, gut and body.
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And as if that weren't enough,
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GLP-1 drugs may also quiet other cravings.
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They seem to reduce the use of alcohol, nicotine, cannabis and opioids.
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Large trials are underway to confirm these effects.
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If the results hold, they could become something unprecedented.
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Real anti-addiction drugs.
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But of course, there are side effects.
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commonly nausea, vomiting, diarrhea and constipation.
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Not fun, but usually harmless and fleeting for the vast majority of patients.
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More serious stuff like pancreatitis,
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kidney problems or gallbladder disease do happen,
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but for well under 5% of people.
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So it's pretty risky to take these drugs without medical supervision
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and in extreme cases they can land you in the emergency room.
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While these drugs are not really that new since diabetics have been using them for decades,
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because now millions of people are using them,
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we might discover new side effects in the coming years.
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Apart from this, the main downside of GLP-1 drugs may come from their greatest strength,
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rapid weight loss.
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If you don't actively check what you eat,
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taking these drugs is just an unhealthy crash diet.
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Any steep calorie deficit requires resistance training and plenty of protein
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or else you'll lose a lot of muscle along with the fat.
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It's harmful at any age,
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but especially after 40, when building muscle gets harder and the risk of falls starts to rise.
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So while these drugs change your biology,
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they don't do all the work for you.
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Staying healthy still requires you to adopt healthy habits.
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In the end, the same is true for these drugs as is for any other diet.
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Without a lifestyle change, you either have to use the drugs forever or you'll probably gain the weight back.
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For about a year the weight loss slows down and eventually stops in most people.
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At this point, you usually stop using the medication.
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If you used that time to change your eating habit,
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you have a really good chance of keeping the lost weight off.
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But about 25% regain a significant chunk and some 20% put back on all of it.
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So for many, maintaining the results may mean staying on the drug forever.
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Is this a bad idea?
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Well, we don't know.
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The newest generation of drugs is just too new,
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so there's no long-term data.
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The first GLP-1s from 2005 haven't shown major issues.
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Based on what we know today,
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it seems pretty clear that living with obesity is much unhealthier than living with drugs.
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And to be crystal clear,
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this doesn't mean that these drugs are for everyone.
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If you want to lose a couple of pounds but are otherwise healthy and have no chronic disease,
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these drugs were not made for you.
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You really should go the traditional route first before you start injecting drugs.
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Using it to get to unhealthy amounts of low body fat is definitely not a great idea.
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In a nutshell, the best thing these drugs do is to remove the pressure of intense hunger and food noise,
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to give you a time window where you can change your habits.
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You still need to change your habits though,
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no drug can fix that for you.
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Conclusion and opinion
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A recent study modeled what would happen if millions of US adults who are obese or overweight got GLP-1 drugs for life.
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In just two years, about 50% of all obesity in the country would vanish.
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Over the years, it would prevent 26 million cases of diabetes,
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13 million cases of heart disease and 5.5 million premature deaths.
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Which seems like a pretty good thing.
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And new drugs that are in final trials promise to work even better.
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Defeating obesity suddenly feels within reach.
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Right now, the biggest obstacles are actually supply shortages and high prices,
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which make these drugs inaccessible for many who actually need them.
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Patents for semaglutide and tizepatide will expire soon in many countries,
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and prices for them will collapse as a result.
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In the long run, increased production and plummeting costs seem almost guaranteed.
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So, should we just inject obesity away?
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Well, for now at least it seems that there are few downsides,
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although please don't listen to internet videos and talk to your doctor before you make any decisions for yourself.
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It's also important to remember that while these drugs are immensely helpful,
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they are not magic.
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They make a hard thing easier,
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but it still requires you to change your habits and put in some effort.
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They can gain us the time we need to fix the root causes of obesity.
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But it does seem the future just got a whole lot healthier.
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Our latest limited edition pin is here,
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kicking off the new Cosmic Time Collection.
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It's an homage to Halley's Comet,
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the cosmic traveler that's been visiting Earth for millennia.
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It only returns around every 75 years,
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Only 10,000 exist and each one is individually numbered.
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Wear it to complete your outfit,
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and you've loved collecting them,
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Small collectible scenes from the Kurzgesagt universe.
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Contesto e Background
Negli ultimi anni, Ozempic e Mounjaro hanno rivoluzionato il modo in cui le persone affrontano la perdita di peso. Questi farmaci sono stati utilizzati da milioni di adulti negli Stati Uniti, contribuendo a ridurre il tasso di obesità nel paese. La questione dell'obesità, una malattia cronica che colpisce più di un miliardo di persone nel mondo, è complessa e controversa. Questo.Video esplora l'impatto di farmaci come i GLP-1 nella lotta contro l'obesità e mette in evidenza come la nostra relazione con il cibo e le nostre abitudini alimentari siano influenzate dalla nostra biologia e dalla società moderna.
Top 5 Frasi per la Comunicazione Quotidiana
- "La domanda su come affrontare l'obesità è fondamentale." - Riflessione sull'importanza della comprensione di una questione complessa.
- "Negli Stati Uniti, più di una persona su otto ha provato i farmaci." - Statistica che evidenzia la diffusione del fenomeno.
- "Il corpo umano è programmato per cercare cibi ricchi di calorie." - Un'affermazione che sottolinea il nostro istinto biologico.
- "Le diete tradizionali spesso non funzionano a lungo termine." - Critica alle soluzioni temporanee nella gestione del peso.
- "I segnali di fame possono essere disiati per molte persone." - Riflessione sulla complessità della regolazione dell'appetito.
Guida al Shadowing Passo-passo
Il shadowing è una tecnica efficace per migliorare le proprie capacità linguistiche ed è particolarmente utile per affrontare contenuti complessi come quelli presentati in questo video. Ecco come procedere:
- Ascolta attentamente: Segui il video una prima volta senza prendere appunti. Concentrati sui temi discussi e sulla pronuncia del relatore.
- Identifica le frasi chiave: Fai un elenco delle frasi che trovi più interessanti o significative, come quelle già menzionate. Queste frasi possono fungere da punto di partenza per il tuo shadow speech.
- Ripeti il dialogo: Rivedi il video e inizia a ripetere le frasi dopo il relatore. Cerca di imitare l'intonazione e la velocità, utilizzando anche le tecniche della shadowspeak.
- Pratica regolarmente: Dedica del tempo ogni giorno a questa attività. Puoi anche registrarti mentre parli per confrontare la tua pronuncia con quella dell’oratore.
- Riflessione finale: Dopo aver completato la pratica, annota o registra le tue sensazioni su come è andata e quali miglioramenti hai notato. Questo ti aiuterà a identificare le aree su cui lavorare in futuro.
Utilizzando queste tecniche, potrai migliorare la tua fluidità e sicurezza nel conversare, affrontando anche temi complessi con maggiore facilità. Per un'efficace pratica del shadowing, ti consigliamo di esplorare siti specializzati nel shadow speech.
La grammatica di questo video
Le strutture che chi parla usa di più, con le parole esatte del video:
| Struttura | Nel video |
|---|---|
| Present perfect continuous have/has been + -ing — un’azione iniziata prima e ancora in corso | have been using · that's been visiting |
| Present perfect have/has + participio passato — un’azione passata che conta ancora adesso | have tried · has become · it's been engineered |
| Forma passiva be + participio passato — conta ciò che accade, non chi lo fa | are wired · been engineered · are labeled |
| Frasi relative who / which + frase — un’informazione in più su una persona o una cosa | people who get · people who suffer |
Cos'è la tecnica dello Shadowing?
Shadowing è una tecnica di apprendimento delle lingue supportata da studi scientifici, originariamente sviluppata per la formazione dei traduttori professionisti e resa popolare dal poliglotta Dr. Alexander Arguelles. Il metodo è semplice ma potente: ascolti un audio in inglese di madrelingua e lo ripeti immediatamente ad alta voce — come un'ombra che segue il parlante con un ritardo di solo 1–2 secondi. A differenza dell'ascolto passivo o degli esercizi di grammatica, lo shadowing costringe il tuo cervello e i muscoli della bocca a elaborare e riprodurre simultaneamente i modelli di discorso reale. La ricerca dimostra che migliora significativamente la precisione della pronuncia, l'intonazione, il ritmo, il discorso connesso, la comprensione dell'ascolto e la fluidità del parlato — rendendolo uno dei metodi più efficaci per la preparazione alla prova di speaking dell'IELTS e per la comunicazione reale in inglese.