14 (Yes, 14!) Surprising Reasons You Could Be Losing Your Hair

Unfortunately, one of the unpleasant side effects of some prescription drugs is a thinning of strands. “Some medications, such as those used to treat depression, ADHD, high blood pressure can cause hair to fall out," Cucinello says.

What you can do: “Consult your doctor to help assess whether the prescription you're taking is a known threat and if there are any hair-friendly alternatives,” Cucinello advises.