Research provides the first-ever high-resolution, cell-resolved map of the human scalp during early aging. In A Nutshell Hair ...

One of the traits that we usually use to physically describe people is their hair color. Hair is a useful descriptor because it varies so much among us. Melanin is the molecule responsible for the ...

Researchers analyzed the hair samples of study participants and found that those who experienced a reversal of gray hair reported feeling relaxed.