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Interleukin-15 encourages CD8+ T cells to proliferate and reduces their tolerance to tumor antigens

Certain types of white blood cells assist the body in destroying cancerous tumors. Among these are CD8+ T cells. The T is for thymus, the gland near the base of the throat that both raises up and weeds out blood cells involved in immune responses.

20 Feb 2006

Nicotine patch and group support may be the best combination for helping women in public housing to stop smoking

This strategy helped nearly 50 percent of women smokers in an Augusta public housing unit quit smoking by the end of a six-week program while less than 8 percent of women in a comparison group had kicked the habit, says Dr. Jeanette Andrews, nursing professor at the Medical College of Georgia and principal investigator

20 Feb 2006

Antidepressants may affect fetus

A University of California, San Diego (UCSD) School of Medicine collaborative study with Boston University's Slone Epidemiology Center found an increased risk of persistent pulmonary hypertension (PPHN) in newborns of mothers who used certain commonly prescribed antidepressants in late pregnancy.

20 Feb 2006

New system accurately predicts mortality of older Americans

Researchers at the San Francisco VA Medical Center have created an index that is 81 percent accurate in predicting the likelihood of death within four years for people 50 and older.

20 Feb 2006

Glaucoma set to reach 80 million by 2020

The global toll of the disabling eye disease glaucoma is set to reach 60 million by 2010, rising to almost 80 million by 2020, finds research in the British Journal of Ophthalmology.

20 Feb 2006

Comprehensive schooling is neither less nor more effective at promoting social mobility than a selective system

Current debate about the UK government's proposed education reforms may be based on a false premise. Recent research suggests that education policy by itself contributes little to the rate at which people move between social classes, according to a new study funded by the Economic and Social Research Council (ESRC).

20 Feb 2006

Demographic and economic consequences of anti-aging therapies

In the 21st century, state-of-the-art anti-aging technologies may extend human lifespans at an unprecedented rate, bringing with them a host of social and economic challenges, says biologist Shripad Tuljapurkar of Stanford University.

20 Feb 2006

Americans divided on genetically engineered food

While more than two-thirds of the food in U.S. markets contains at least some amount of a genetically engineered (GE) crop, researchers want to know if Americans consider GE food a health risk or benefit.

20 Feb 2006

Thrill seekers at less risk of Parkinson's disease

According to a new study by British researchers, risk takers stand less chance of getting Parkinson's disease, live longer, and have more friends.

20 Feb 2006

New guide helps doctors determine normal height loss

As we age we can expect to shrink an average of three to four centimeters. Such loss is normal due to shrinkage of the disks within the spine.

19 Feb 2006

New system for analyzing how drugs bind to proteins

Researchers at Florida State University's National High Magnetic Field Laboratory and Scripps Florida have developed and evaluated a robust new system for analyzing how drugs bind to proteins. This groundbreaking work could speed the delivery of potential new drugs and improve existing ones.

19 Feb 2006

Mystery of evolutionary growth in hominid brain size

Forget the textbook story about tool use and language sparking the dramatic evolutionary growth of the human brain. Instead, imagine ancient hominid children chasing frogs. Not for fun, but for food.

19 Feb 2006

Snogging quadruples risk of meningitis in teenagers

Intimate kissing with multiple partners almost quadruples a teenager's risk of meningococcal disease, finds a study published online by the British Medical Journal.

19 Feb 2006

Monoclonal antibody targets key tumor growth factor

Monoclonal antibody targets key tumor growth factor; Successfully causes brain tumor regression and improves animal survival

19 Feb 2006

Organic diets lower children's exposure to pesticides

Organic diets lower children's dietary exposure to two common pesticides used in U.S. agricultural production, according to a study by Emory University researcher Chensheng "Alex" Lu, PhD. The substitution of organic food items for children's normal diets substantially decreased the pesticide concentration to non-detectable levels.

19 Feb 2006