High-dose injections of vitamin C, also known as ascorbate or ascorbic acid, reduced tumor weight and growth rate by about 50 percent in mouse models of brain, ovarian, and pancreatic cancers, researchers from the National Institutes of Health (NIH) report in the August 5, 2008, issue of the Proceedings of the National Academy of Sciences. The researchers traced ascorbate's anti-cancer effect to the formation of hydrogen peroxide in the extracellular fluid surrounding the tumors. Normal cells were unaffected.
Brain
ST. PAUL, Minn. – Eating tuna and other types of fish may help lower the risk of cognitive decline and stroke in healthy older adults, according to a study published in the August 5, 2008, issue of Neurology®, the medical journal of the American Academy of Neurology.
Children and teens who get less sleep, especially those who spend less time in rapid eye movement (REM) sleep, may be more likely to be overweight, according to a report in the August issue of Archives of General Psychiatry, one of the JAMA/Archives journals.
A declining number of office-based psychiatrists appear to be providing psychotherapy to their patients, according to a report in the August issue of Archives of General Psychiatry, one of the JAMA/Archives journals.
Voluntary physical activity does not appear to cause a reduction in anxiety and depression, but exercise and mood may be associated through a common genetic factor, according to a report in the August issue of Archives of General Psychiatry, one of the JAMA/Archives journals.
When combined with antipsychotic medications, the estrogen estradiol appears to be a useful treatment in women with schizophrenia, according to a report in the August issue of Archives of General Psychiatry, one of the JAMA/Archives journals.
Researchers at Wake Forest University Baptist Medical Center have found that the reflux and swallowing problems that are common symptoms in patients with Rett syndrome and other neurological impairments, may be caused by a different mechanism than they are in healthy individuals. The finding leaves researchers to wonder if these patients truly benefit from anti-reflux surgery commonly performed in these children.
WEST LAFAYETTE, Ind. - The methods mothers use to control their children during playtime and other daily activities could have a negative impact on their child's self-esteem and behavior, according to a new Purdue University study.
The Sunday roast on our dinner tables has the potential to be packed with bags more natural flavour, say scientists at The University of Nottingham.
Professor Kin-Chow Chang, of the University's School of Veterinary Medicine and Science, is leading a three-year study into two different muscle fibre types that play a huge part in the appearance, texture and taste of the meat that we eat.
When community leaders brainstorm ways to improve the health and well-being of youth and families, a team usually brings together doctors and health care professionals, hospitals, public health organizations and schools. But recreation and park agencies are another key player in the fight against childhood obesity, sedentary lifestyles, and chronic diseases says a new report.
COLUMBUS, Ohio -- When it comes to learning life-changing behaviors in high school health classes, the identity of the person teaching may be even more important than the curriculum, a new study suggests.
A shove, a taunt or name-calling on the playground or in the hall, away from the eyesight, earshot and authority of the teacher – childhood bullying can involve physical contact, spreading rumors and other negative behaviors committed over and over again to intimidate, humiliate and isolate the receiver of the behavior. A review of national and international research on the issue is finding a family connection to the origins of young bullies. Elizabeth Sweeney, a University of Cincinnati master's degree student in sociology, presented her findings Aug.
In a paper published in the August issue of the journal Pediatrics, Dartmouth researchers document the alarming numbers of young adolescents age 10-14 who are exposed to graphic violence in movies rated R for violence. They found that these extremely violent movies were seen by an average of 12.5 percent of an estimated 22 million children age 10-14. One R-rated movie, Scary Movie, was seen by an estimated 10 million children, or about 48 percent of 10-14 year olds.
ANN ARBOR, Mich. — It's a Catch-22 of the highest order. People with alcohol problems often use alcohol to get to sleep -- but it actually keeps them from getting good-quality sleep all night long.
At the same time, they're highly likely to suffer from full-blown chronic insomnia that keeps them from getting enough sleep night after night – and that condition has been shown to cut their chances of getting sober again.
Researchers at the University of California, San Diego Medical Center say that their first-of-its-kind study of a telemedicine program which transports stroke specialists via computer desktop or even laptop to the patient’s bedside, using highly sophisticated video, audio and Internet technology, could have an immediate and profound impact on the treatment of stroke patients throughout the world.