Pigmentation, melanocortins and red hair.
Sir,

Rees and Flanagan in their Editorial \`Pigmentation, melanocortins and red hair' ( QJM 1999; 92 :125–31) make a number of asides. They write \`Melanoma may be the evolutionary price paid for protection against burning'. The fact is that Africans, best protected from sun rays, do not have melanoma on pigmented …