Decision making by the growing elderly population is uncharted territory
The human brain’s ability to process information declines with age, but knowledge about the world through experiences tends to rise over time. So how do these shifts affect a person’s ability to make sound decisions?
New blood test can diagnose and monitor treatment of Parkinson's disease
Dr Qiao-Xin Li and colleagues from The University of Melbourne and The Mental Health Research Institute of Victoria, along with Prof Malcolm Horne from the Howard Florey Institute, found people with PD had low levels of the brain-secreted protein ‘alpha-synuclein’ in their blood, while people without PD had high levels of the protein. more
Mayo Clinic study finds heart transplant patients benefit from new approach to immunosuppression
A new immunosuppression regimen for heart transplant patients can improve kidney function and prevent transplant coronary artery disease, according to two new Mayo Clinic studies. Mayo researchers will report their findings on April 26 at The International Society for Heart & Lung Transplantation Annual Meeting and Scientific Session in San Francisco. more
Hay fever can send work productivity down the drain
Employers can blame hay fever for the loss of millions of hours of work productivity this spring. more
One-third of sexually active older adults with HIV/AIDs has unprotected sex
One out of three sexually active older adults infected with HIV has unprotected sex, according to a study by Ohio University researchers. A survey of 260 HIV-positive older adults found that of those having sex, most were male, took Viagra and were in a relationship.
Commonly used pain medications do not prevent Alzheimer's disease
Over-the-counter pain medication naproxen and prescription pain reliever celecoxib do not prevent Alzheimer's disease, according to a study published April 25, 2007, in the online edition of Neurology, the scientific journal of the American Academy of Neurology. These findings appear to contradict earlier observational studies, which found sustained use of nonsteroidal anti-inflammatory drugs (NSAIDs) may have a protective effect against Alzheimer's disease. more
Morphine makes lasting – and surprising – Change in the brain
Morphine, as little as a single dose, blocks the brain’s ability to strengthen connections at inhibitory synapses, according to new Brown University research published in Nature. more
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