Brain activity ‘key in stress link to heart disease’

Source: BBC

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.

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