Pfizer faces hundreds of lawsuits as studies continue to explore possible links between hormones and tumor growth.
Commonly known as “the shot,” recent research finds that an injectable, long-acting contraceptive is associated with a rare but serious health risk—a cancer called meningioma.
Depot medroxyprogesterone acetate, a birth control shot used by millions of American women, has been linked to an almost fourfold risk of a common brain tumor, with the highest risk for long-term users over 30, according to a recent analysis of more than 10 million women.
