Shadowing Practice: How long can hair grow? - Maksim Plikus - Learn English Speaking with YouTube

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At age 44, Xie Qiuping cut her hair for the first time in over three decades.
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At age 44, Xie Qiuping cut her hair for the first time in over three decades.
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At the time, her impressive locks extended over five meters— earning the Guinness World Record for the world's longest hair.
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But even with this record-setting feat, her hair might not have reached its maximum possible length.
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So just how long can human hair actually grow?
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To get to the bottom of this question, let's start at the bottom of a hair follicle.
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Follicles are tube-shaped structures nestled roughly half a centimeter below the skin's surface.
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At their base is what's called the hair bulb, and it contains rapidly dividing matrix cells.
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As they divide, these develop into specialized hair cells called trichocytes, which harden as they fill themselves with cable-like keratin proteins.
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As more and more trichocytes are produced, they form a strand of hair that emerges from the follicle and grows upwards.
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All the hair on your body grows this way, but not all hair will grow to the same length, shape, or color.
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Those properties are determined by yet another type of cell within the hair bulb: the fibroblast.
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Fibroblasts instruct the matrix cells to grow specific kinds of hair for each part of the body.
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This is why doctors doing hair implants usually use follicles from the same body part, though they'll sometimes change things up.
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For example, eyelashes are some of the shortest hairs on your body at an average length of one centimeter.
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So to give people longer eyelashes, doctors might implant scalp follicles, which grow at a rate of about 15 centimeters per year.
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So these patients will have to trim their new lashes regularly to avoid a blinding curtain of hair.
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In general, our follicles are very resilient.
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Even if you pluck hair out with your fingers or some wax, you’ll likely only damage matrix cells, not fibroblasts.
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So given time, those hair bulbs will repair themselves and begin producing new hair.
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However, each strand of hair will only grow for so long.
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We don't fully understand how follicles measure time, but in most cases they'll stop growing a strand after 5 to 7 years.
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This means that at the rate of 15 centimeters a year, the average person’s scalp hair could reach a maximum length of around one meter.
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The precise duration and speed of hair growth varies from person to person depending on genetics, hormones, and various health conditions, and it’s difficult to know exactly what combination of these factors let Xie Quiping reach her record.
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But however long your locks may be, when a follicle stops growing, the hair falls out— shedding from our heads slowly, or in clumps during showers and hair brushing.
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After a hair is lost, fibroblasts will trigger the growth of a new strand to fill out your scalp— usually.
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As we age, follicles run out of certain cell types, which can lead to changes in hair growth.
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For example, when they run out of pigment-producing melanocyte stem cells, follicles begin producing gray hairs.
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And since there are only a handful of melanocyte stem cells per follicle to begin with, they tend to run out relatively early in a person’s life.
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Similarly, when follicles run out of epithelial stem cells, they begin to shrink and grow shorter, thinner strands before eventually shutting down production altogether.
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This is what leads to baldness, though the condition can also be accelerated by testosterone, which can prevent fibroblasts’ instructions from reaching a follicle’s cells.
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While it’s completely natural for hair growth to change over the course of our lives, there are ways to take more control of our scalps.
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Some baldness remedies remove excess testosterone, and special shampoos can address the coarse, brittle strands reported by many people with gray hair.
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Since our bodies already produce hair at the fastest possible biological speed, there's currently no way to grow hair faster.
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But even if you’re unlikely to beat Xie Qiuping’s record, with time, the right treatments, and some genetic luck, you should be able to grow some luscious locks of your own.
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Context & Background

In the engaging video titled "How long can hair grow?" by Maksim Plikus, the conversation revolves around the fascinating topic of human hair growth and its biological mechanisms. The speaker explores the record-breaking length of hair, illustrated by the story of Xie Qiuping, who cut her hair for the first time in over thirty years. This video offers insights into how hair follicles function, the various factors that determine hair growth, and the implications of aging on hair health. With an array of scientific concepts presented in a comprehensible manner, this video serves as a great resource for those looking to enhance their English speaking practice while learning about biology.

Top 5 Phrases for Daily Communication

  • “Hair follicles are tube-shaped structures beneath the skin.” - A way to introduce basic biological concepts.
  • “Not all hair will grow to the same length or shape.” - Useful for discussing individual differences.
  • “Each strand of hair grows for about 5 to 7 years.” - An interesting fact that can spark conversations.
  • “As we age, hair growth can change significantly.” - Relevant when talking about health and aging.
  • “There’s currently no way to grow hair faster.” - A simple statement useful for everyday discussions about beauty and health.

Step-by-step Shadowing Guide

To effectively tackle the content of this video and improve your English pronunciation, consider following this step-by-step shadowing guide, which is also beneficial for learners looking to improve their IELTS speaking practice.

  1. Watch the Video Actively: Pay close attention to the speaker's pronunciation and intonation. Note how the speaker emphasizes key phrases. This is particularly useful for understanding natural speech patterns.
  2. Pause and Repeat: Use the pause function frequently. After hearing a sentence, pause and repeat it out loud. Focus on mimicking the speaker's accent and rhythm. This is key for effective english speaking practice.
  3. Identify Key Vocabulary: Write down any unfamiliar words or phrases. Look them up and try to use them in your own sentences. Words like “follicle,” “trichocyte,” and “melanocyte” may seem daunting but can enrich your vocabulary.
  4. Shadow with Context: After familiarizing yourself with the vocabulary, engage in shadow speech by speaking along with the video. This will help you internalize the phrases and rhythm of English speech.
  5. Record Yourself: Finally, record yourself while you’re shadowing the video. Playback the recording and compare your pronunciation with that of the speaker. This will help you notice areas for improvement.

By following these steps, you can effectively utilize the knowledge shared in the video to refine your English speaking abilities. Not only will you gain insights into the fascinating topic of hair growth, but you'll also boost your confidence in conversational English.

What is the Shadowing Technique?

Shadowing is a science-backed language learning technique originally developed for professional interpreter training and popularized by polyglot Dr. Alexander Arguelles. The method is simple but powerful: you listen to native English audio and immediately repeat it out loud — like a shadow following the speaker with just a 1–2 second delay. Unlike passive listening or grammar drills, shadowing forces your brain and mouth muscles to simultaneously process and reproduce real speech patterns. Research shows it significantly improves pronunciation accuracy, intonation, rhythm, connected speech, listening comprehension, and speaking fluency — making it one of the most effective methods for IELTS Speaking preparation and real-world English communication.

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