Could yoga lessen prenatal depression?

In a small pilot study, researchers at Brown University, Butler Hospital, and Women & Infants' Hospital have found evidence suggesting that yoga could help pregnant women with significant depression reduce the severity of the mood disorder.

Brain waves predict our risk for insomnia

There may not yet be a cure for insomnia, but Concordia University researchers are a step closer to predicting who is most likely to suffer from it — just in time for World Sleep Day on March 13.

In his study published in Frontiers in Human Neuroscience, Thien Thanh Dang-Vu, from Concordia’s Center for Studies in Behavioral Neurobiology and PERFORM Center, explores the impact of stress on sleep. Although researchers already know that stressful events can trigger insomnia, the experiment reveals that some people are more vulnerable than others to developing the condition.

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Nice to sniff you: Handshakes may engage our sense of smell

Why do people shake hands? A new Weizmann Institute study suggests one of the reasons for this ancient custom may be to check out each other's odors. Even if we are not consciously aware of this, handshaking may provide people with a socially acceptable way of communicating via the sense of smell.