A pill long sold by a Bulgarian drugmaker in Eastern Europe is getting a fresh look as an inexpensive way to help smokers in low-income countries quit. In Poland, the medicine costs about $15 for a course of treatment.

Many people who live close to gas drilling sites complain of serious illnesses. But there are few concrete data to help explain why they're getting sick. Investigative reporter Abrahm Lustgarten says weak industry regulations also make it hard to establish a clear connection between gas drilling and health effects.

The Affordable Care Act always promised to be a hot button issue in the 2012 presidential campaign. But it promises to loom even larger, now that the Obama administration has asked the Supreme Court to take the case, making very likely a high-court decision in June just months before the general election.

A listeria outbreak linked to cantaloupes from Colorado has infected 72 people in the United States and killed 13, U.S. health officials said on Tuesday. The food-borne outbreak is the deadliest in the U.S. in more than a decade, according to the U.S. Centers for Disease Control and Prevention.

It's World Rabies Day. The Centers for Disease Control and Prevention suggests a celebration to learn about how to prevent the spread of the fatal disease.

A clinical trial that gave saw palmetto every chance to succeed — eventually increasing the daily dose of the stuff to three times the usual amount — found it was no better than a placebo at relieving enlarged prostate symptoms.

Listeria's long incubation period in the gut or even in the fridge means the threat is potentially sticking around longer than in other food-related outbreaks. So its more important than ever to be vigilant about what's in the fridge and how you fix it.