What happened to all the bald people? Ask these top hair transplant surgeons. On a Friday at 9 P.M., my calendar reminds me ...

Typical are so-called hair tufts, where multiple hair shafts emerge from one dilated follicle opening. This is caused by fibrosis of adjacent follicular units and retention of telogen hairs within ...

Hair follicles are one of the few immunoprivileged parts of the body -- that is, they are protected from the immune system so the body doesn't treat them as foreign and attack them. Researchers ...

THE hair of the rabbit grows from a compound follicle 1 which contains one large outercoat hair, a few smaller outercoat hairs of intermediate morphology and numerous fine undercoat hairs.

But there is one big exception: Ingrown hair, the painful cousin to the harmless, yet pesky pimple. Ingrown hairs form when a hair follicle can't get past a clogged pore, making the hair curl back ...