Along with helping people with obstructive sleep apnea get a better night's sleep, machines that help keep the airways open during sleep can also help improve the symptoms of metabolic syndrome, according to new research.

Regular consumption of berries, such as blueberries or strawberries, may help keep your brain functioning well as you age, new research suggests.

An extra dose of the stress hormone cortisol may help reduce stress-inducing phobias like the fear of heights, a study shows.

Rebecca Cagle has heard that the smell of coffee can calm people in uncomfortable settings. But she has no way of knowing if a whiff of roasted java could ease her feelings of shyness. Cagle was born without a sense of smell.

Recent research suggests not getting a full night's sleep can raise a person's risk for obesity.

Can two or more servings of blueberries or strawberries a week help lower risk of Parkinson's disease?

What's the best way to lose weight? A new study says it's a combination of more exercise, eating less fatty foods and joining a weight loss program. What doesn't work? Popular fad diets, liquid diets, and weight loss pills.

Being upbeat is good for your heart, a new study suggests.

Twelve older women are sitting in a shallow swimming pool while the strains of Swan Lake rise in the background.

Teaching mom, dad to manage problem behaviors can improve overall functioning, study shows