title: I'm 75 and in relatively good health. However, I've been noticing some bruises on my arms. They seem to come and go over time. Is this anything to worry about?
mesh_terms: D000367:Age Factors; D000368:Aged; D001132:Arm; D003288:Contusions / Q000517:prevention & control*; D015438:Health Behavior; D006304:Health Status; D006801:Humans