Genes and the environment both shape health and development. But their effects are not always equal. Researchers in the U.K. say they've mapped hotspots where nature has a stronger influence, and others where nurture dominates.
French researchers report in a new paper that a reconstructive surgery they used to try to repair the genitalia of women circumcised at a young age has helped many of them experience sexual pleasure one year after the surgery.
The human body contains about 100 trillion cells, but only maybe one in 10 of those cells is actually human. The rest are from bacteria, viruses and other microorganisms. Now, scientists have unveiled the first survey the "human microbiome," which includes 10,000 species and more than 8 million genes.
A woman with intellectual disabilities who was denied a kidney transplant in 2006 died Tuesday in her sleep. The Oklahoma transplant center that turned her down said a woman with a mild intellectual disability did not have the mental competency to make an informed decision to choose a transplant.
Four would-be medical marijuana dispensaries have received their last layer of approval from D.C.'s health department; now, they just have to go through the city's business licensing and building permit processes.
Researchers have found traces of HIV virus in the cells of a man who was the first to be cured of the infection with bone marrow transplants. The findings raise fresh questions about how to define a cure for HIV/AIDS.
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