Do red-haired people really experience pain differently and need more anesthesia? Read on to learn what the latest research ...

A pigment in red hair may have a secret superpower: It can turn a toxic threat into a splash of color. Scientists studying ...

A growing body of research suggests that mice and people with red hair may have higher pain thresholds. On the other hand, some research suggests redheads “may be especially sensitive to pain.” ...

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 ...