Study finds eating too much sugar is bad for your brain.

FDA advisory committee recommends approval for home HIV test.

New guidelines in manual on mental disorders could broaden the definition of addict.

An Alabama man has filed a lawsuit against a Florida blood bank, charging that a transfusion during a coronary bypass surgery infected him with HIV.

Every four hours a child goes to the emergency room with an injury from a bottle, pacifier or sippy cup.

Rats in your house?

The Food and Drug Administration is debating whether to approve the first drug to prevent HIV.

Looking forward to sleeping in this weekend? Don't do it, you could gain weight.

A new CDC National tobacco education campaign called "Tips from Former Smokers" is causing quite a stir. Not only do they present shock value, they're packed with purpose. News 4's Muriel Bailey has more on their effectiveness among Alabamians.

Battling childhood obesity may take several solutions.

Staying active may reduce the risk of dying from breast and colon cancer.

A boost of testosterone may help men over 40 drop pounds.

Gnats have always been a problem in the south, but this year it seems the insects are more annoying than ever.

Studies show hypnosis and acupuncture may help smokers kick the habit.

A new study shows men die more from breast cancer than women.

The CDC investigates a salmonella outbreak that may be related to products from Diamond Pet Foods.

A new report estimates about 42 percent of the American population will be obese by 2030.

Already, about a third of people are obese. By 2030, it is estimated 42 percent of the population will be.

Energy drinks may give you a needed boost... But they may be doing a lot of harm to your pearly whites.

Parents are happier than people without children.

A new study shows regular jogging can boost life expectancy.

A new study finds energy drinks can damage tooth enamel and cause cavities.

Babies conceived through IVF have a higher risk of birth defects than those conceived naturally.

Nearly half a million babies are born too soon in the U.S. each year.

Should parents be giving their newborns pacifiers?