Washington, Apr 22: Emotional health plays a very important role in influencing exercise patterns in breast cancer patients, according to a new study.

The study found that patients with greater depressive symptoms and a lower emotional quality of life are less likely to exercise as part of their recovery than are patients reporting less distress.

Washington, Apr 22 : Exposure to pesticides can increase the risk of Parkinson''s disease, say researchers.

Researchers from University of California, Los Angeles have found that fungicide maneb and herbicide paraquat can have detrimental effects on humans.

In a new epidemiological study of Central Valley residents who have been diagnosed with Parkinson''s disease, researchers found that years of exposure to the combination of these two pesticides increased the risk of Parkinson''s by 75 percent.

Washington, April 22 : Farrah Fawcett''s doctor has trashed claims made by her son that her cancer problems had reduced her to a skeletal weight and said she was instead a “reasonable” 101 pounds.

Lawrence Piro said he had weighed the actress a week ago and found "she was 101 pounds," which he tags "a reasonable weight" at her condition.

Washington, Apr 22 : Scientists have found that our greatest allies in the fight against malaria may be the mosquitoes themselves.

The researchers found that mosquitoes have immune systems that actually kill 80 to 90 percent of the malaria parasites that enter the insect''s bodies.

The discovery is part of an international effort to create a new generation of malaria treatments.

Washington, Apr 22 : The latest beauty cream that can be added in a woman''s skin care regimen can be found in berries. A new study has found that an antioxidant present in the fruit could help fight skin damage due to ultraviolet (UV) rays.

Using a topical application of the antioxidant ellagic acid, researchers at Hallym University in the Republic of Korea markedly prevented collagen destruction and inflammatory response - major causes of wrinkles - in both human skin cells and the sensitive skin of hairless mice following continuing exposure to UV-B, the sun''s skin-damaging ultraviolet radioactive rays.

Washington, Apr 22 : Mayo Clinic researchers have discovered potential drug-like compounds that can speed up the destruction of protein linked to Alzheimer’s disease.

The research team led by Dr Malcolm Leissring, from Mayo''s Department of Neuroscience have found two chemicals that could speed up activity of a molecule, insulin-degrading enzyme (IDE), which helps destroy A-beta proteins that form plaque in the brains of patients.