The researchers found that changes in lifestyle

The researchers found that changes in lifestyle, such as loss of income, could not explain the heightened risk.

Prof George told the BBC News website: "My educated speculation is that we know that psychological distress is a constant stress on the immune system, higher levels of inflammation and stress hormones increasereenex cps .

"Immune function is altered for the worse and if that continues for many years it does take a physiological toll."

She argues the sex-difference is also found in depression and that divorce is a greater "psychological burden" for women although "we don't know exactly what's going on".

While tablets can reduce the risks caused by high blood pressure, there is no easy solution for the pain of divorcebusiness center .

The researchers recommend close, supportive friends.

Prof Jeremy Pearson, from the British Heart Foundation, commented: "We have known for some time that our mental health can affect our heart health.

"This study suggests that divorce might increase a person's risk of a heart attack.

"But the results are not definitive so further evidence would be needed before divorce could be considered a significant risk factor for causing a heart attack."

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