World cycling champion Lance Armstrong and four former U.S. surgeons general urged Americans on Wednesday to do more to prevent cancer and get recommended screening tests.

Speaking at a press conference in Washington, the seven-time Tour de France winner asked the surgeons general to develop goals to reduce the medical, economic and social burden of the disease. Armstrong, who survived testicular cancer, urged people to adopt healthy lifestyles, screening tests, education and better care for survivors

Canadian health authorities have signaled bakers to follow fast-food chains example in cutting down the trans fat content of their products.

The not-so-subtle hint came from MP Steven Fletcher, parliamentary secretary to Health Minister Tony Clement, who told the Toronto Star, "There is a possibility of regulation if industry doesn't meet the goals that have been outlined by the trans fat task force

A Mediterranean or low-carb diet is better than a low-fat diet if a person wants to lose weight and have a healthy heart, new studies have revealed. Researchers from the Harvard School of Public Health studied 322 moderately obese employees of a research center in Israel.

The employees were randomly assigned to three diet groups and the results indicated that members of the low-fat group lost an average of 6.4 pounds, while those in the low-carb and Mediterranean groups lost about 10

Watermelon rinds could be the new natural aphrodisiac, new research has shown. Researchers from Texas A&M's Fruit and Vegetable Improvement Center say the fruit's rind can have a Viagra-like effect.

The flesh and rind of watermelons contain citrulline, which reacts with the body's enzymes when consumed in large quantities. The compound is changed into arginine, an amino acid that benefits the heart and the circulatory and immune systems. Just like the popular Viagra and other drugs meant to treat erectile dysfunction (ED), it also helps relax and dilate blood vessels

Tomatoes will be back on the menu at McDonalds and various other restaurants in the United States and Canada.

After a widespread outbreak of salmonella-tainted tomatoes many restaurants pulled the vegetable from their menus. But on Saturday, McDonalds Corporation announced that it would begin serving sliced tomatoes on its sandwiches again