Take care for people with heart problems now facing severe congestion. The study found that traffic pollution can be more dangerous than cocaine.

The new study by Hasselt University and Catholic University of Leuven, Belgium, found that motor vehicle fumes trigger eight times more heart attacks than smoked cocaine.

According to the Lancet report, if a patient with heart disease using cocaine, the chances of heart attacks increased by 26 fold. But if he is exposed to smoke heavy traffic, the chances are increased by five per cent of 26-fold them.

Based on data in the UK, where there are approximately 124,000 cases of heart attacks each year, traffic fumes can trigger heart attacks 9200, while cocaine around 1,100.

This conclusion was made by a scientist from Hasselt University and Catholic University of Leuven, Belgium, after reviewing 36 studies.

“Improving the air we breathe is highly relevant targets for reducing the incidence of this disease (heart) in the general population,” explained Dr Tim Nawrot of the Centre for Environmental Sciences, Hasselt University.

Researchers calculate cocaine is responsible for 0.9 percent of all heart attacks are, traffic pollution while contributing 7.4 percent.

Another important risk is the lack of physical activity (6.3 percent), drinking alcohol or coffee (each 5 percent), emotional (3.1 percent), overeating (2.7 percent) and sexual activity (2.2 percent .)

Previous research also found that tiny particles from vehicle fumes (called particulates) can worsen the hardening of blood vessels, which are the main symptoms of heart disease.