Most scalp hair grows steadily. After a growth phase that
lasts between 2 and 6 years, scalp hair enters a resting phase that lasts 2 to
3 months. Hair is shed at the end of the resting phase.
normally sheds from 50 to 100 hairs a day. After a hair is shed, it is replaced
by a new hair from the same follicle, and the growing cycle starts again. Scalp
hair grows about
0.5 in. (1.3 cm) per month. As
people age, their rate of hair growth slows.
Q: Does chocolate really cause acne? My teenagers love the stuff --
and they have pretty bad breakouts.
A: Sorry, Mom and Dad. Your dire warnings about Snickers bars are
fruitless, because the answer is FALSE. Chocolate has no link to acne (nor do
other frequently blamed foods, such as pizza and potato chips).
"There was a famous experiment done many years ago at the University of
Pennsylvania by Dr. Albert Kligman," says Irwin Braverman, MD, professor of
dermatology at Yale School...