Washington, Mar 17 : A gene that causes obesity could also lead to polycystic ovary syndrome (PCOS) in women, a new study has suggested.

The FTO gene has recently been shown to influence a person''s predisposition to obesity, and is now the first gene to be associated convincingly with susceptibility to PCOS.

Washington, Mar 17 : A steroid nasal spray has been found to reduce symptoms of chronic rhinosinusitis, according to a new study led by Indian origin scientist.

Researchers led by Neil S. Sachanandani from Washington University School of Medicine have found that an aqueous nasal spray containing corticosteroid budesonide has been shown to be safe and beneficial for those with chronic rhinosinusitis and recurring allergies.

Washington, March 17: While moderate physical activity is known to be beneficial to health, researchers are now suggesting people to walk 150 minutes a week, which is equivalent to 30 minutes each day 5 times a week.

Researchers at the School of Exercise and Nutritional Sciences, San Diego State University, point out that pedometers widely used as a physical activity monitoring tool are unable to measure activity intensity.

They have determined that a rate of at least 100 steps per minute achieves moderate intensity activity.

New York, Mar 17: A new Web site has been launched, which helps people locate medical marijuana.

London, Mar 17: A vegetarian diet could help protect against cancer, new research suggests.

Writing in the American Journal of Clinical Nutrition, researchers, who analyzed 52,700 men and women, found that those who did not eat meat had significantly fewer cancers overall than those who did.

However, surprisingly, scientists also found a higher rate of colorectal cancer - a disease linked with eating red meat
- among the vegetarians.

Washington, Mar 17: British researchers claim that hormone kisspeptin shows promise as a potential new treatment for infertility.

The study, led by Dr Waljit Dhillo from Imperial College London, has shown that giving kisspeptin to women with infertility can activate the release of sex hormones, which control the menstrual cycle.

According to researchers, the study could lead to a new fertility therapy for women with low sex hormone levels.