結果 : why do your hair turn gray as we age
6:17

Why Do We Get GRAY HAIR? | Why Does Hair Turn GRAY? | The Dr Binocs Show | Peekaboo Kidz

Peekaboo Kidz
2,136,611 回視聴 - 4 年前
2:47

Age isn't the only reason why hair starts to go gray

Baylor College of Medicine
134,420 回視聴 - 7 年前
1:51

Why does HAIR turn gray?

JumpButton Studio
126,292 回視聴 - 9 年前
1:51

Why Does Your Hair Turn Gray? | COLOSSAL QUESTIONS

Colossal Cranium
2,514,697 回視聴 - 5 年前

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3:45

Why Some People's Hair Turns Gray

Insider Science
566,535 回視聴 - 5 年前
3:04

Here’s What Causes Gray Hair at Early Age (You Can Avoid This) - Andrew Huberman

knowzilla
89,936 回視聴 - 1 年前
0:49

Why does hair turn gray as we age?

Λsk Λbout Now
122 回視聴 - 4 か月前

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1:22

Why Does Hair Go Gray? | WebMD

WebMD
75,834 回視聴 - 8 年前
7:15

Dr. David Sinclair on Gray Hair Reversal

Vitality Views
359,445 回視聴 - 10 か月前
5:25

Why Our Beards Go Gray at an Early Age

VOLT Lifeproof Grooming
34,091 回視聴 - 2 年前
5:37

Can Gray Hair Be Reversed?

SciShow
602,473 回視聴 - 1 年前
3:06

Will Stress Really Make You Go Gray?

SciShow
407,236 回視聴 - 6 年前
1:19

Here's how stress can bring more gray hairs

11Alive
48,576 回視聴 - 2 年前
2:02

Why Your Hair Will Turn Gray

Life Noggin
935,352 回視聴 - 9 年前
4:04

How to Reverse Gray Hair, According to Scientists | Mashable

Mashable
492,416 回視聴 - 3 年前
8:59

Can You Reverse Gray Hair? Dermatologist Explains | Dr. Sam Ellis

Dr. Sam Ellis
182,630 回視聴 - 6 か月前
5:25

Why Does Hair Turn Gray?

Science and Fact
210 回視聴 - 3 か月前
0:35

How gray hair can be reversed, according to new study

WDTNTV
29,948 回視聴 - 1 年前
1:34

Researchers may have discovered what causes hair to go gray

TODAY
32,487 回視聴 - 1 年前
3:18

Why Does Your Hair Turn Gray? – Speaking of Chemistry

Reactions
587,189 回視聴 - 8 年前