By decoding the genomes of more than 1,000 people whose homelands stretch from Africa and Asia to Europe and the Americas, scientists have compiled the largest and most detailed catalog yet of human genetic variation. The ...
Oct 31, 2012
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Decoding the DNA of patients with advanced breast cancer has allowed scientists to identify distinct cancer "signatures" that could help predict which women are most likely to benefit from estrogen-lowering therapy, while ...
Jun 10, 2012
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School-age children whose mothers nurtured them early in life have brains with a larger hippocampus, a key structure important to learning, memory and response to stress.
Jan 30, 2012
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Excess nutrients, such as fat and sugar, don't just pack on the pounds but can push some cells in the body over the brink. Unable to tolerate this "toxic" environment, these cells commit suicide.
Jul 5, 2011
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Nearly all adults with Down syndrome will develop evidence of Alzheimer's disease by late middle age. A new study by researchers at Washington University School of Medicine in St. Louis shows that the disease both starts ...
Apr 17, 2024
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Using artificial intelligence (AI) to supplement radiologists' evaluations of mammograms may improve breast-cancer screening by reducing false positives without missing cases of cancer, according to a study by researchers ...
Apr 10, 2024
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A nerve-stimulation treatment for obstructive sleep apnea that originally was approved only for people with body mass indexes (BMIs) in the healthy range recently was extended to patients with BMIs up to 40, a weight range ...
Apr 4, 2024
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Alzheimer's disease starts with a sticky protein called amyloid beta that builds up into plaques in the brain, setting off a chain of events that results in brain atrophy and cognitive decline. The new generation of Alzheimer's ...
Apr 3, 2024
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There lies a paradox in sleep. Its apparent tranquility juxtaposes with the brain's bustling activity. The night is still, but the brain is far from dormant. During sleep, brain cells produce bursts of electrical pulses that ...
Feb 28, 2024
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A simple blood test to diagnose Alzheimer's disease soon may replace more invasive and expensive screening methods such as spinal taps and brain scans.
Feb 22, 2024
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