शैडोइंग अभ्यास: What would happen if you didn’t drink water? - Mia Nacamulli - YouTube के साथ अंग्रेजी बोलना सीखें

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Water is virtually everywhere, from soil moisture and ice caps, to the cells inside our own bodies.

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38 वाक्य

Water is virtually everywhere, from soil moisture and ice caps, to the cells inside our own bodies.

0:06.50 – 0:14.09 (7.6s)

Depending on factors like location, fat index, age, and sex, the average human is between 55-60% water.

0:14.09 – 0:23.81 (9.7s)

At birth, human babies are even wetter.

0:23.81 – 0:27.02 (3.2s)

Being 75% water, they are swimmingly similar to fish.

0:27.02 – 0:32.31 (5.3s)

But their water composition drops to 65% by their first birthday.

0:32.31 – 0:37.33 (5.0s)

So what role does water play in our bodies, and how much do we actually need to drink to stay healthy?

0:37.33 – 0:44.29 (7.0s)

The H20 in our bodies works to cushion and lubricate joints, regulate temperature, and to nourish the brain and spinal cord.

0:44.29 – 0:53.93 (9.6s)

Water isn't only in our blood.

0:53.93 – 0:56.06 (2.1s)

An adult's brain and heart are almost three quarters water.

0:56.06 – 1:00.51 (4.4s)

That's roughly equivalent to the amount of moisture in a banana.

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Lungs are more similar to an apple at 83%.

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And even seemingly dry human bones are 31% water.

1:08.49 – 1:14.31 (5.8s)

If we are essentially made of water, and surrounded by water, why do we still need to drink so much?

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Well, each day we lose two to three liters through our sweat, urine, and bowel movements, and even just from breathing.

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While these functions are essential to our survival, we need to compensate for the fluid loss.

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Maintaining a balanced water level is essential to avoid dehydration or over-hydration, both of which can have devastating effects on overall health.

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At first detection of low water levels, sensory receptors in the brain's hypothalamus signal the release of antidiuretic hormone.

1:43.28 – 1:51.40 (8.1s)

When it reached the kidneys, it creates aquaporins, special channels that enable blood to absorb and retain more water, leading to concentrated, dark urine.

1:51.40 – 2:03.05 (11.7s)

Increased dehydration can cause notable drops in energy, mood, skin moisture, and blood pressure, as well as signs of cognitive impairment.

2:03.05 – 2:13.25 (10.2s)

A dehydrated brain works harder to accomplish the same amount as a normal brain, and it even temporarily shrinks because of its lack of water.

2:13.25 – 2:22.62 (9.4s)

Over-hydration, or hyponatremia, is usually caused by overconsumption of water in a short amount of time.

2:22.62 – 2:30.67 (8.1s)

Athletes are often the victims of over-hydration because of complications in regulating water levels in extreme physical conditions.

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Whereas the dehydrated brain amps up the production of antidiuretic hormone, the over-hydrated brain slows, or even stops, releasing it into the blood.

2:39.26 – 2:49.17 (9.9s)

Sodium electrolytes in the body become diluted, causing cells to swell.

2:49.17 – 2:54.13 (5.0s)

In severe cases, the kidneys can't keep up with the resulting volumes of dilute urine.

2:54.13 – 2:59.77 (5.6s)

Water intoxication then occurs, possibly causing headache, vomiting, and, in rare instances, seizures or death.

2:59.77 – 3:08.16 (8.4s)

But that's a pretty extreme situation.

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On a normal, day-to-day basis, maintaining a well-hydrated system is easy to manage for those of us fortunate enough to have access to clean drinking water.

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For a long time, conventional wisdom said that we should drink eight glasses a day.

3:19.53 – 3:23.81 (4.3s)

That estimate has since been fine-tuned.

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Now, the consensus is that the amount of water we need to imbibe depends largely on our weight and environment.

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The recommended daily intake varies from between 2.5-3.7 liters of water for men, and about 2-2.7 liters for women, a range that is pushed up or down if we are healthy, active, old, or overheating.

3:33.12 – 3:49.66 (16.5s)

While water is the healthiest hydrator, other beverages, even those with caffeine like coffee or tea, replenish fluids as well.

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And water within food makes up about a fifth of our daily H20 intake.

3:57.32 – 4:02.31 (5.0s)

Fruits and vegetables like strawberries, cucumbers, and even broccoli are over 90% water, and can supplement liquid intake while providing valuable nutrients and fiber.

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Drinking well might also have various long-term benefits.

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Studies have shown that optimal hydration can lower the chance of stroke, help manage diabetes, and potentially reduce the risk of certain types of cancer.

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No matter what, getting the right amount of liquid makes a world of difference in how you'll feel, think, and function day to day.

4:27.87 – 4:36.07 (8.2s)

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शैडोइंग अभ्यास: What would happen if you didn’t drink water? - Mia Nacamulli - YouTube के साथ अंग्रेजी बोलना सीखें

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