May 2, 2012
Researchers have taken the closest-yet look at the structures of opioid receptors. Drugs that target these receptors are widely prescribed for treating acute and chronic pain, but their long-term use carries a risk of addiction and tolerance. The new findings might aid development of safer painkillers and addiction-fighting medications.
April 30, 2012
Sirtuins have been implicated in promoting longer life, but recently some scientists have begun to think that the genes influence the susceptibility to age-related diseases, rather than the aging process itself. Now two studies have found that boosting the levels of the sirtuin-1 gene reduces the loss of brain tissue in mouse models of Huntington's disease.
April 18, 2012
An artificial connection between the brain and muscles can restore complex hand movements in monkeys following paralysis. Researchers developed a neuroprosthetic system that uses a brain-computer interface (BCI) to provide functional electric stimulation (FES) to paralyzed muscles in the arm, allowing brain-controlled muscle contactions and restoring movement.
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