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Brain activity 'key in stress link to heart disease'

12/1/2017

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The effect of constant stress on a deep-lying region of the brain explains the increased risk of heart attack, a study in The Lancet suggests.

In a study of 300 people, those with higher activity in the amygdala were more likely to develop cardiovascular disease - and sooner than others.

Stress could be as important a risk factor as smoking and high blood pressure, the US researchers said.

Heart experts said at-risk patients should be helped to manage stress.

Emotional stress has long been linked with an increased risk of cardiovascular disease (CVD), which affects the heart and blood vessels - but the way this happens has not been properly understood.


This study, led by a team from Harvard Medical School, points to heightened activity in the amygdala - an area of the brain that processes emotions such as fear and anger - as helping to explain the link. Continue reading.

Originally posted on BBC News Health.

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