On average, each pill or capsule has more than eight different inactive ingredients and sometimes as many as 38. Reports of patients who have had severe allergic reactions to an inactive ingredient are not uncommon.
If doctors could better predict which patients had a high recurrence risk, those women might want to continue hormone therapy past the standard five years.
The move follows a warning issued last week by the U.S. Food and Drug Administration that said certain Claire's products may contain potentially cancer-causing asbestos.
A low-dose CT scan is the standard diagnostic test for people at high risk of lung cancer. In the United States, about one-quarter of these scans reveal shadows indicating nodules in the lung. Despite that positive result, fewer than 4 percent of those patients actually have cancer.
A gene variant that breaks down hormones in birth control could be the culprit, researchers reported.
