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Link between stress and heart attack

A new US study may explain how stress increases the risk of cardiovascular disease.

By monitoring 29 medical residents working in an intensive care unit, Boston researchers found that stress caused the overproduction of white blood cells, worsening plaque inflammation in the arteries and encouraging the formation of clots that block circulation.

Said study co-author Matthias Nahrendorf, “White blood cells are important to fight infection and healing, but if you have too many of them, or they are in the wrong place, they can be harmful.”

Read more at Harvard University

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