A new research of Canadian says, measure of ban on opium-smoking and the opium trade is implemented in communal circumstance, can make heart and vessels and number of be in hospital of respiratory tract disease decrease apparently.

This publishs what publish in 12 days " Canadian cure learns proceedings of a conferences " medical research says, canada is the biggest urban Toronto begins to wait for communal circumstance to implement measure of ban on opium-smoking and the opium trade in cafeteria from 2001, since that, the number of cardiovascular disease be in hospital of Toronto declines 39 ％ , number of be in hospital of respiratory tract disease declines 33 ％ .

Researcher thinks, in view of 21 century estimation has 1 billion person to be able to die at the disease that concerns with tobacco, the effect that measure of research ban on opium-smoking and the opium trade produces to heart and vessels and respiratory tract disease, have important sense to communal sanitation. Researcher still points out, their research also makes clear be necessary to decrease through legislation secondhand the influence with healthy to human body smoke.