A recent study by the WHO concluded that regular indoor tanning prior to the age of 30yrs increases the risk of developing malignant melanoma by 75% (The exact reference is Lancet Oncol 10: 751, 2009) They are not saying "Never tan. Never sit in the sun." Just, use your head and sun tan lotion in equal quantities when you're on holiday, and, when at home, don't go to tanning booths week in and week out. John BArt