abc's dr. timothy johnson takes a closer look. < indoor tanning? despite the growing evidence that it's a practice linked to skin cancer? many still look to tanning beds for that fresh-from-the- beach glow. now, new evidence? that starting indoor tanning at a younger age may be tied to an increased risk of melanoma, the deadliest form of skin cancer. researchers at the university of minnesota finding that women who get melanoma in their 20s, 30s and 40s? were more likely to have tanned indoors at a younger age. what's more? women diagnosed with skin cancer in their 40s more likely to have started teens... and more likely to have been exposed to more than 10 sessions in their lifetime. disturbing news? at a time when skin cancer rates are on the rise? even faster in women than in men. and even though the world health organization identified indoor tanning as a likely cause of cancer years ago? only some states have banned indoor tanning for people younger than 18. so before you head in...