What Do You Know About Your HAIR?

 We have tens of thousands of individual hairs on our head, not to mention the rest of our body. Hair keeps us warm, wards off dirt and little creatures that want to enter our body, and sometimes makes us attractive (although bald can definitely be sexy too). How much do you know about those strange cells we call human hair?
 
 
What is the most common hair color in the world?
Black is the most common, followed by brown. Red is the rarest, followed closely by blond.
Black
Brown
Red
Blond
 
 
On which of these places can hair actually grow?
Even though the back of the knee doesn't have much hair for most people, the other three places have no hair growth at all.
Soles of the feet
Palms of the hands
Lips
Back of knee
 
 
How much of our body is covered in hair?
95%
15%
60%
75%
 
 
True or False: Crash dieting can cause temporary hair loss.
True
False
 
 
How much hair can one lose (on average) before it's visible they are balding?
Our hair is so dense, it thins out long before we notice our hairline moving.
50%
80%
10%
25%
 
 
How long does an average balding process take in men?
15-25 years
2-5 years
10-15 years
20-40 years
 
 
Whose hair grows faster?
Men's hair does grow a little bit faster
Men's
Women's
 
 
How many hairs does the average person lose a day?
People with very thick hair though can lose 150-200 when they wash their hair, while people with very thin hair might lose much less.
50-150
200-300
500-1000
20-50
 
 
How fast does hair usually grow?
About 1/2 (1.3 cm) an inch a month
About 3 (7.5 cm) inches a month
About 1 inch (2.5 cm) a month
About 1/10 (0.25 cm) inch a month
 
 
Which of these foods does NOT encourage hair growth?
Alcohol is not good for hair growth, and even promotes some hair loss. Caffeine, surprisingly, is actually good for hair growth
Spinach
Fatty fish
Eggs
Coffee
Whiskey
 
 
True or False: Hair is the fastest growing tissue in the body.
It's actually bone marrow that grows the fastest, with hair being a close second
True
False
 
 
Which of these hair colors has the largest number of hairs covering their head?
Blondes have about 120,000 hairs, while black and brown haired people have about 100,000. Redheads have about 80,000 hairs.
Black
Blond
Red
Brown
 
 
The major cause of dandruff is a/an...
The fungus is called Malassezia, and it lives on our scalp. The problem happens when there's too much of it.
Fungus
Virus
Autoimmune issue
Inflammation
 
Let's Try Again...
It's on our body and it keeps us warm, do we really need to know more than this? By your score, it seems you don't really think so. That's fine, perhaps it's not something that interests you. But if you want to learn more about it, read our answers!
 
Very Good!
You know quite a lot about the human hair and its conditions, which is more than most people do. You'd make a good hairdresser (at least in theory) and you probably take good care of your own hair, OR you've learned from your own mistakes...
 
Extraordinary!
You know all there is to know about hair! They wrote the musical about you! You're quite the hair expert and you are keenly aware of how much of it we have, how to preserve it and how to lose it. You probably take very good care of your own hair, and that's a smart thing to do.
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