Why Headaches Remain One of Medicine’s Most Misunderstood Disorders Migraine and cluster headaches affect millions—yet research remains surprisingly thin. By Rachel Feltman, Fonda Mwangi, Alex Sugiura & Jeffery DelViscio Rachel Feltman: For Scientific American’s Science Quickly, I’m Rachel Feltman. Headaches are incredibly common, but they’ve gotten surprisingly little attention from scientists. Here to walk us…