Fever blisters are caused by HSV-1, a virus that stays in your body for life. Learn what triggers outbreaks and why some people get them more than others.
Primidone is technically its own drug class but converts to a barbiturate in your body, which shapes how it's used, regulated, and what side effects to expect.
Cranberries offer vitamin C, K1, E, and B vitamins, but processing can reduce their nutritional value. Here's what you actually get from raw vs. processed cranberries.