Healthday (8/10, Mozes) reports that a study of patients in the United Kingdom in those admitted
to the hospital for a heart attack revealed that a decrease of just one degree celsius on a single
day gives rise to a cumulative two percent rise in the number of heart attacks in the next twenty-
eight days. This study shows that cold weather increases the risk for having a heart attack in
particular for the elderly and those with a previous history of heart disease. It appears that those
who are taking aspirin were less vulnerable to this increase in risk. The author suggested that
prior research has shown that as temperatures goes down blood pressure may go up and the
blood may become thicker causing the heart to work harder and may also increase the possibility
of blood clotting.

Dr. Steven Reisman, Director of The New York Cardiac Diagnostic Center and a Manhattan
Cardiologist states that the risk of heart attack that is associated with a drop in outdoor
temperature is relatively small compared to the usual cardiovascular risk factors such
as smoking, obesity, high cholesterol, high blood pressure, family history, and diabetes.