Strict diet and lifestyle changes can not only prevent heart attacks, but can revert the blockage of the arteries, according to a small but pioneer of study.

The study showed that a diet vegetarian, moderate exercise and a time that the day of yoga and the meditation could produce a reversal of atherosclerosis, a blockage of the arteries that can lead to a heart attack, in men and women who were strict in following the daily regimen.

Experts say that this is the first study to inform that this obstruction can be reversed without consuming drugs or surgery of cholesterol.

The study, which was performed by the Dr. Dean Ornish, director of the Institute of research of preventive medicine in Sausalito, California, which was presented at the meeting of the American Heart Association in New Orleans.

It’s a very important study on the control of diseases of the heart. It is the first study that shows the regression of coronary heart disease without pharmaceutical intervention. The results also suggest that the current medical guidelines for changes in the habits of people with severe heart disease do not go as far enough.

Previous studies have shown that changes in diet and exercise can slow the progression of heart disease, but not to reverse.

Although the study be determined what percentage of improvement could be attributed to single life style changes, the researchers noted that are proven methods of stress management to facilitate the recovery of a variety of diseases, including high blood pressure.

But some experts are skeptical of the need to control methods of stress, which currently are not among the standard recommendations for people with severe heart disease.

Some experts on the issue of cardiac rehabilitation if the majority of people with heart disease could continue such stringent changes in their habits.