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March 8, 2012

Heart attacks rise following daylight saving time

Daylight-saving time this year begins March 11, and while we all might look forward to another hour of sunshine a University of Alabama at Birmingham expert says the time change is not necessarily good for your health.

"The Monday and Tuesday after moving the clocks ahead one hour in March is associated with a 10 percent increase in the risk of having a heart attack," says UAB Associate Professor Martin Young, Ph.D., in the Division of Cardiovascular Disease. "The opposite is true when falling back in October. This risk decreases by about 10 percent."

The Sunday morning of the time change doesn't require an abrupt schedule change, but, Young says, heart-attack risk peaks on Monday when most people rise earlier to go to work.

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