Washington, Nov 4: Smaller mosquitoes are more likely to be infected with viruses that cause diseases in humans, according to a new study.

For the study, Barry Alto, Ph. D., Director of the Medical Entomology Program at the Illinois Natural History Survey, along with Assistant Professor Michael Reiskind of Oklahoma State University and Professor L. Philip Lounibos of the University of Florida fed mosquitoes blood with dengue virus and later tested them for infection.

The study was conducted at the Florida Medical Entomology Laboratory.

A research team led by Nigel Leigh, director of the motor neurone disease care centre at King's College London will conduct a study to assess the impact of the anti-depressant drug lithium as a treatment for motor neurone disease.

Motor neurone disease destroys nerves in the brain that control movement, leaving patients locked in a failing body. There is currently no cure and half die within 14 months of being diagnosed. A small study by Italian researchers suggested that lithium could slow the progression of the disease.

A report by the U.S. Centers for Disease Control and Prevention said that an estimated 25,000 cases of cancers associated with human papillomavirus (HPV) occurred in 38 states and Washington D.C. annually between 1998 and 2003.This analysis was the first and most comprehensive assessment of cancer linked to HPV in the U.S. said the CDC.  

Mona Saraiya, MD, a medical officer in the CDC's Division of Cancer Prevention and Control, in a news release said, "These estimates of HPV-associated cancers were collected prior to the development of the HPV vaccine. This gives us baseline data to measure the impact of HPV vaccine and cervical cancer screening programs in reducing the incidence of cervical cancer and other HPV-associated cancers and pre-cancers.”

According to a new study, a person needs at least 8 hours sleep in a day to keep himself healthy & to avoid all health problems specially related to the heart.

The study led by researchers in Sweden found that the risk of a heart attack dropped during the first week after the clocks were set back and people have an extra hour of sleeping.
 
The research, based on heart attacks in Sweden, shows that sleep deprivation has adverse effects on one’s cardiovascular health.

Researchers have reported that countries that have a higher precipitation level also have higher autism rates. The reasons could be increased pollutants carried by precipitation, increased television viewing due to bad weather, or a lack of vitamin D due to staying indoors.

Sean Nicholson, a Cornell University policy analyst and an author of the study said, "If it rains a lot, children spend more times inside. It could be that there was something positive outside that they're getting less of, or there's something in the indoor environment that's harmful."

Experts warn Britain needs to take urgent action, heading as it is to a dementia epidemic caused by the nation's binge-drinking culture. Research published in the British Journal of Psychiatry has linked excessive drinking to a loss of brain tissue.

Cheap alcohol, according to Dr. Susham Gupta and Dr James Warner has doubled drinking rates from double what they were in the