Traffic fumes more dangerous than cocaine ?

In a 

In a study reported in the journal Lancet, scientists noted that traffic fumes trigger more than eight times as many heart attacks as snorting cocaine.

If an individual  with heart disease takes cocaine, their chance of having a heart attack increases 26 fold. If a person with heart disease is exposed to heavy traffic fumes, their chance of having one increases by 5 percent, the journal reported.

But because the number of people being exposed to traffic fumes is more than cocaine users, on a population-wide basis traffic pollution triggers more heart attacks, scientists say.

SOURCE: Yahoo India News/IANS