The following hair trivia comes from www.healthyfemales.blogspot.com and is printed here by request:
Beards are the fastest growing hairs on the human body. If the average man never trimmed his beard, it would grow to nearly 30 feet long in his lifetime.
On an average the human scalp has about 100,000 hairs.
After death, the body starts to dry out creating an illusion that the nails and hairs are growing even after death.
In the womb, the babys body is covered by a thin layer of hair but as soon as the baby is born it disappears.
Intelligent people have more zinc and copper in their hair.
Hair is the fastest growing tissue in the body, the next being bone marrow.
On an average, in an adult scalp 35m of hair fiber is produced every day.
The maximum length of hair can be 70 to 90 cms.
The life span of hair is two to seven years.
Frequent washing of hair does not cause hair loss.
Male hairs are denser and grow faster than females.
Human hair is made up of a body protein called keratin and it grows out of an opening of the skin called Follicle.
Straight hair lies flat because it is round and grows out of round follicles.
On an average it takes about 13 days for a grey hair to grow.
Healthy human hair emits sound.
A hair grows by 0.3 to 0.5 mm per day, 1 to 1.5 cm per month and 12 to 15 cm per year.
Children lose an average of 90 hairs per day, which increases to 120 by old age.
A single hair has the ability to support up to 100 grams of weight and the whole hair has the ability to support up to 12 tones of weight.
The pigment of human hair is produced in the shaft of hair beneath the skin.