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Some consumers of the bitter citrus fruit may need to rethink their morning routine. Chemicals in grapefruit can interfere with the body's ability to to clear certain drugs. The number of affected medicines has jumped in recent years. Pharmacists are calling for greater grapefruit awareness among physicians and patients alike.

Xeljanz, a new rheumatoid arthritis drug, is the first one that works by blocking enzymes called janus kinases. They play a communication role inside the body and are involved in inflammation associated with rheumatoid arthritis.

Two Americans have won the 2012 Nobel Prize in Chemistry. Robert Lefkowitz and Brian Koblika were awarded the prize for their work on protein receptors that tell cells what's going on around the human body. Their research has allowed drug makers to develop medication with fewer side effects. The pair with share the $1.2 million award.

A Colorado Public °µºÚ±¬ÁÏ survey of cash prescription prices across Colorado has found consumers may be overpaying, as some drug prices turned out to be 30…

Some grocery chains are now offering free atorvastatin, the generic version of Lipitor, at their pharmacies. The cholesterol drug requires a prescription, but now you don't need insurance or cash to get the pills.

It's the latest setback in a field marked by failure. Earlier this month, Pfizer and Johnson & Johnson said they were dropping development of a similar experimental drug after big clinical studies showed it wasn't working.

The Food and Drug Administration is looking into the risks of codeine, after three children died while taking the medicine to relieve pain following tonsillectomies. Those kids and another one who almost died appear to have had a gene that made the codeine particularly potent inside their bodies.

Pfizer's research on an experimental drug that attacks plaques in the brain has been discontinued. But scientists say they're hopeful that new treatments that attack a specific protein in plaques will have better success.

There's ample evidence cholesterol-lowering pills called statins can reduce the risk of a repeat heart attack. But there's fresh debate about the widespread use of statins to prevent heart attacks in people who've never had one. Are the benefits worth the risks?

Some states, like Georgia, have a waiting list for people who need help paying for AIDS drugs. With increased federal funding on its way for HIV/AIDS treatment, states are hoping that they can care for more people. But the cost of care remains high, so the waits may remain, too.