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 ...

Hair genetics can come from either parent, and multiple genes can determine hair traits, such as color, texture, and growth. Genes can also affect hair loss. Although it can run in families, this is ...

Université de Montréal provides funding as a founding partner of The Conversation CA-FR. Université de Montréal provides funding as a member of The Conversation CA. One of the traits that we usually ...

Some nutrient deficits and health conditions may cause premature gray hair, but it’s impossible to restore natural color if it’s caused by genetics or aging. Changes in nutrition may help slow graying ...