By Karen Kaplan
April 8, 2013, 10:55 a.m.
You would think that people who were diagnosed with melanoma -- the most deadly form of skin cancer -- would be meticulously careful about using sunscreen, avoiding tanning salons and generally protecting their skin.
You would be wrong, researchers said Monday.
Melanoma tumors develop in the skin cells that make melanin, the brown pigment that protects skin from the sun’s harmful ultraviolet radiation.