Heart attack risk rises in winter, dips in summer
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Heart attack risk rises in winter, dips in summer

According to a latest research, the risk of a heart attack is highest in winter and lowest in summer. The study was based on an analysis of more than 100,000 patients in seven European countries.

The study concluded that levels of several cardiovascular risk factors (i.e. blood pressure, waist circumference and total cholesterol) were found higher in winter (January to February), comparatively less in summer (June to August) on an annual average, Science Daily reported.

The findings were presented by Dr Pedro Marques-Vidal, from Switzerland, at the congress of the European Society of Cardiology currently meeting at Amsterdam.

Findings: Information was obtained on cardiovascular risk factors in 107,090 subjects aged 35 to 80 years. The country breakdown was as follows: 21,128 subjects in Belgium, 15,664 in Denmark, 1,626 in France, 18,370 in Italy, 25,532 in Norway, 9,359 in Russia and 15,411 in Switzerland.

The levels of blood pressure, lipids, glucose, body mass index (BMI, kg/m2) and waist circumference were compared according to the season. All the data was adjusted according to age, gender and smoking. The data on blood pressure, lipids and glucose was adjusted for BMI and whether or not the patient was taking medication.

“Our large scale study shows that some cardiovascular risk factors take holidays over the summer. This may explain why deaths from cardiovascular disease are higher in winter than summer. People need to make an extra effort to exercise and eat healthily in the winter to protect their health,” Dr Marques-Vidal added.

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