Selenium Does Not Benefit -- and May Harm -- Most Patients With NSCLC

Bad day for selenium.

The vast majority of lung cancer patients do not benefit from selenium, according to the results of a major study presented here at the American Society of Clinical Oncology (ASCO) 2010 Annual Meeting.

In fact, the mineral, which is a common ingredient in vitamin supplements and acts as an antioxidant, might cause harm in current and former smokers with lung cancer.

Oops.