As pathogenic bacteria advance, scientists are desperately scrounging around for new ways to fight them. But would you believe healing clay, gator blood, honey and crushed leaves?

In the brain, dopamine carries signals that make us eat, take drugs and have sex. New research shows that dopamine plays a key role in rewarding mice for aggression.

New discovery shows how all animals store fat in cells, could lead to advances in fight against obesity or diabetes. Funny, maybe storing fat is a good thing.

Up to 20 percent of cancers are caused by a viral infection. A new study turns cancer-causing viral proteins into a homing beacon to attract radioactive isotopes that kill tumor cells.

30 years ago, a legendary biochemist said vitamin C could cure cancer. Har, har, said the scientific establishment. Now a mouse study shows C fighting two cancers. Did brilliant scientist and peace activist Linus Pauling get it right?

Using a chemical reaction that changes color when specific chemicals are present, a new “dipstick” may detect spoilage better than the human nose.

Amid a flood of contaminated Chinese imports, we ask: what is going on? How dangerous are these foods and medicines? Is this normal, expected? Or should we be doing something more to improve safety?

Without trillions of bacteria in our guts, we die. But how do these bacteria colonize the bug-free human infant just after birth? New study details bacterial balancing act.

Good news: Study confirms efficacy of interferon and ribavirin, shows that standard treatment for hepatitis C can cure the deadly disease. Bad news: The meds only help 50 percent of patients.

Could a walk in the park be good for you? Could looking out a window at a park be good for you? Can nature lower stress and promote healing? For centuries, philosophers, mystics and tree-huggers have talked up the benefits of nature.