Cracking brain memory code
(Medical Xpress) -- Despite a century of research, memory encoding in the brain has remained mysterious. Neuronal synaptic connection strengths are involved, but synaptic components are short-lived while memories last lifetimes. ...
Neuroscience
Mar 09, 2012 |
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Diabetes drug halts atherosclerosis progression in HIV-infected patients
Treatment with the common diabetes drug metformin appears to prevent progression of coronary atherosclerosis in patients infected with HIV. In a presentation today at the 19th Conference on Retroviruses and Opportunistic ...
HIV & AIDS
Mar 07, 2012 |
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Vitamin D intake may be associated with lower stress fracture risk in girls
Vitamin D may be associated with a lower risk of developing stress fractures in preadolescent and adolescent girls, especially among those very active in high-impact activities, according to a report published Online First ...
Health
Mar 05, 2012 |
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The end of the 'Lily of the Valley phenomenon' in sperm research?
According to a 2003 study by German and American scientists, a component of the Lily of the Valley scent known as Bourgeonal alters the calcium balance of human sperm and attracts the sperm. The "Lily of the Valley phenomenon" ...
Medical research
Feb 28, 2012 |
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Naked mole-rats bear lifesaving clues
Could blind, buck-toothed, finger-sized naked mole-rats harbor in their brain cells a survival secret that might lead to better heart attack or stroke treatments?
Medical research
Feb 23, 2012 |
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Woodchucks and sudden cardiac death
How much calcium could a hibernating woodchuck's heart cells sequester, if a hibernating woodchuck's heart cells could sequester calcium? More than enough, it turns out, to protect the animals from cardiac arrhythmias – ...
Cardiology
Feb 23, 2012 |
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A change of heart: Probing how chronic alcoholism alters cellular signaling of heart muscle
Beyond the personal tragedy of chronic alcoholism there is heartbreak in the biological sense, too. Scientists know severe alcoholism stresses the heart and that mitochondria, the cellular energy factories, are especially ...
Cardiology
Feb 23, 2012 |
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Researchers solve puzzle of proteins linked to heart failure
Sudden cardiac death is a risk for patients with heart failure because the calcium inside their heart cells is not properly controlled and this can lead to an irregular heartbeat. New findings published in PLoS ONE, which ...
Medical research
Feb 22, 2012 |
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Serotonin could play a large role in bone loss
Scientists have long known that calcium leaches from the bones both during lactation and in certain types of cancer. The driver behind these phenomena is a molecule called parathyroid hormone related protein (PTHrP), which ...
Medical research
Feb 21, 2012 |
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The mathematics of a heart beat could save lives
(Medical Xpress) -- What we perceive as the beating of our heart is actually the co-ordinated action of more than a billion muscle cells. Most of the time, only the muscle cells from the larger heart chambers ...
Medical research
Feb 15, 2012 |
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Researchers illuminate link between sodium, calcium and heartbeat
Using the Canadian Light Source synchrotron, researchers from the University of British Columbia have revealed, for the first time, one of the molecular mechanisms that regulates the beating of heart cells by controlling ...
Medical research
Feb 13, 2012 |
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Vitamin D deficiency high among trauma patients
New research presented at the 2012 Annual Meeting of the American Academy of Orthopaedic Surgeons (AAOS) found that 77 percent of trauma patients had deficient or insufficient levels of vitamin D.
Health
Feb 07, 2012 |
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Women taking indigestion drugs at increased risk of hip fracture after menopause
Post-menopausal women are 35% more likely to suffer hip fracture if they take indigestion drugs, known as proton pump inhibitors (PPIs), a figure which increases to 50% if they are also current or former smokers, suggests ...
Health
Jan 31, 2012 |
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Study pinpoints genetic variation that raises a risk linked to bisphosphonates
Researchers at the Columbia University College of Dental Medicine have identified a genetic variation that raises the risk of developing serious necrotic jaw bone lesions in patients who take bisphosphonates, a common class ...
Cancer
Jan 27, 2012 |
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Lead blood levels may increase smokers' risk for kidney cancer
Higher than normal levels of lead in the blood may signal a risk two times higher than average of developing renal cell carcinoma in smokers, according to medical researchers.
Cancer
Jan 23, 2012 |
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