Word: geneses
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The best way to understand a disease is to get at its root cause, and most of the time, that means hunting down the genes that trigger it. In three papers published this week, researchers report that they have identified two new genes that may contribute to the immune disorder...
The new genes are the first to be linked directly to MS since the 1970s, when researchers initially identified a cluster of DNA on chromosome 6 associated with immune system function. Doctors believe MS is an autoimmune disease, in which the body mistakenly attacks its own healthy cells. But they...
Other disputes, though not lethal, changed lives. In 1883 Sir Francis Galton, an English anthropologist, coined the word eugenics, which he later defined as the study of hereditary factors that "improve or impair the racial qualities of future generations." Inspired by eugenics, a number of U.S. states passed laws in...
Wondering why your waistline is expanding? Have a look at those of your friends. Your close friends can influence your weight even more than genes or your family members, according to new research appearing in the July 26 issue of The New England Journal of Medicine. The study's authors...
The obvious question is, Why? Spouses share meals and a backyard, but the researchers found a much smaller risk of gaining weight - a 37% increase - when one spouse became obese. Siblings share genes, but their influence, too, was much smaller, increasing each other's risk 40%. Fowler believes the effect...