A regular diet of even modest amounts of food containing soy has been linked to infertility, particularly in obese men, a new British study suggests. Plant oestrogens in foods such as tofu, soy mince or milk may interfere with hormonal signals increasing estrogen activity, lowering the sperm count in men.

The study, carried out by Harvard School of Public Health, looked at the diets of 99 men who had fertility-related problems. When the sperm concentration of men eating the most soy was compared with those eating the least, there was a significant difference

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

The American Academy of Pediatrics (AAP) is recommending reduced-fat milk for overweight or obese babies ready to graduate from breast milk or formula to cow's milk.

Low fat milk, instead of whole milk, should also be given to those who have a family history of obesity, high cholesterol or cardiovascular disease. The age to start the cow's milk is anywhere between 1 and 2 years of age, says the latest guidelines from the clinical report Lipid Screening and Cardiovascular Health in Childhood

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

A study by the Kaiser Permanente Center for Health Research released Tuesday said keeping a daily food diary helped overweight people lose weight twice as much as those who did not keep a record of what they ate.

According to Victor Stevens, senior investigator at Kaiser, the food diary provides the dieter an awareness of what he is taking in, which could track the source of extra calories