I have small white spots, like points, in my skin....only in legs and arms...can this be a bad sign, of something is happening with my health...?

White Spots: The most common cause of white spots on the arms and legs is guttate hyopmelanotic macules.  this long name actually refers to a very simple condition-the flat little white spots that start showing up around middle age.  they are smooth surfaced, slightly shiny and don’t itch or hurt.  they are entirely benign and don’t become cancer or anything other than a decorative nuisance.  they don’t tan.