Q: Suddenly, my hair seems to be thinning -- I’m only 40. What could cause it to happen?
A: There may be several reasons you’re experiencing hair loss. Stress can do it -- either from what is called telogen effluvium (we don’t make these names up.) or alopecia areata. Telogen effluvium happens when high stress levels -- and lots of stress hormones -- push hair follicles into the...