Word: geneses
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Eventually, researchers would like to learn what role our genes, as opposed to our environment, play in the development of anxiety. "It has been known for some time that these disorders run in families," says Kenneth Kendler, a psychiatric geneticist at Virginia Commonwealth University in Richmond, Va. "So the next...
Kendler and his colleagues approached the question by studying groups of identical twins, who share virtually all their genes, and fraternal twins, who, like any other siblings, share only some of them. What Kendler's group found was that both identical twins were somewhat more likely than both fraternal twins...
The correlation isn't 100%, however. "Most of the heritability is in the range of 30% to 40%," Kendler says. That's a fairly moderate genetic impact, he notes, akin to the chances that you will have the same cholesterol count as your parents. "Your genes set your general vulnerability...
There is plenty to learn about how anxiety and fear shape the brain. One of the biggest mysteries is the relationship between anxiety and depression. Researchers know that adults who suffer from depression were often very anxious as children. (It's also true that many kids outgrow their anxiety disorders...
There are no guidebooks to tell you when it's safe to venture out again. In many ways, the whole country last September was made part of an unwitting experiment in mass anxiety. Our brains are even now in the process of rewiring themselves. How successfully we navigate this delicate...