Filtered coffee in large quantities doesn't increase the risk of cardio-vascular diseases. To this conclusion came an international team of scientists from Madrid University and Harvard School of Social Health using the results of 20-year study of 128,000 people.
During the study the trial subjects answered questions about their nutrition, physical exercise and bad habits; they also passed regular physical examinations.
The scientists noted the tendency: people who use coffee in large quantities are more likely to smoke and to abuse alcohol than those who use less coffee. According to the researchers, not coffee but smoking and alcohol abuse are the real risk factors of cardio-vascular diseases.
Upon including all these factors in calculations it turned out that the risk to develop an infarction is the same for people using small or large quantities of coffee, the site