Why having lots of brothers and sisters is bad for your heart | Mail Online

Heart disease is Britain’s biggest killer, with one person in the UK dying of a heart attack every six minutes.

While we all know that smoking, lack of exercise and obesity increase the risk, there are many other, more unexpected factors that could affect whether you’ll experience a heart attack or other heart problems.

Last month, Spanish researchers revealed that patients who had a heart attack between 6am and noon suffered up to a fifth more damage to their heart compared with those whose attack occurred in the afternoon. This was due to a surge in blood pressure upon waking.

Here, we reveal other surprising causes of heart trouble.

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