(Reuters Health) – The ultraviolet lamps used in some nail salons to dry and cure nail polish deliver the same hazardous rays as tanning beds, but it would take many manicures to actually cause damage, suggests a new study. After testing 17 different lamps in nail salons, researchers calculated that it would take between eight and 208 visits – depending on the machine – to damage skin cells in a way that raises cancer risk. […]