MC1R and skin cancer: Polymorphisms associated with loss of function of MC1R are associated with an increased risk of photoageing, freckles, red‐hair and all types of common skin cancers, independent of these behavioural variables.4, 10, 11, 13, 14, 15, 16, 17, 18, 20, 21, 22, 28, 29, 31, 80, 81, 85, 86