Cold, cloudy weather 'could increase your risk of having heart attack'

Largest study of its kind finds incidence of heart attacks is higher on days with air temperatures below freezing

Cold, cloudy weather could increase your risk of having a heart attack, according to a new study.

In the largest study of its kind, scientists examined data from more than 274,000 patients across Sweden who had heart attacks between 1998 and 2013 for which contemporary weather data was available.