AP - Low-fat, low-carb or high-protein? The kind of diet doesn't matter, scientists say. All that really counts is cutting calories and sticking with it, according to a federal study that followed people for two years. However, participants had trouble staying with a single approach that long and the weight loss was modest for most.

(AFP) - Valparaiso sailing : A yacht sails nearby Valparaiso, Chile. Valparaiso, one of the most important South American ports on the Pacific Ocean, has a particular achitecture with colorful wooden houses. (AFP/Martin Bernetti)

(AP) - Three horses run side by side through a snow covered meadow near Wangen im Allgaeu, southern Germany, on a sunny Wednesday, Feb. 25, 2009. (AP Photo/Felix Kaestle)

AFP - Simply being overweight, but not obese, from an early age boosts the risk of premature death by a third -- as much as smoking up to 10 cigarettes a day, researchers in Sweden reported Wednesday.

AP - For the first time, leading medical groups are advising millions of healthy men who are regularly screened for prostate cancer to consider taking a drug to prevent the disease.