Redheads may be hotheads, but they get colder faster. ... A true redhead produces an abundance of a yellow-red pigment called pheomelanin. (Brunettes produce the more common eumelanin, a dark brown pigment.) A redhead's prodigious pheomelanin output is the result of mutations, or variants, of the MC1R.

Do redheads have worse tempers?

Red hair is a recessive gene that occurs in about 2 percent of the world's population. ... Redheads have a reputation for having bad tempers. Redheads have a higher tolerance for spicy foods. Redheads need 20 percent more anesthesia than people with other hair colors.

What race are gingers?

Red hair (or ginger hair) is a hair colour found in one to two percent of the human population, appearing with greater frequency (two to six percent) among people of Northern or Northwestern European ancestry and lesser frequency in other populations.