"I had no energy and was always just laying down," Barbara Varya Ershova told Newsweek of her health worries.

Dear Doctors: I have bruising or staining from a hospital stay during which I received five units of blood and six units of iron for low hemoglobin. I have also started my first of two cycles of iron ...

Some popular supplements can cause serious side effects at high doses or come with certain health risks. Learn which ones to ...

Weight-loss responses to GLP-1 obesity drugs, and risks of side effects, may be linked to genetic variants, according to a ...