None. You would have to smoke 6500 or more joints to reach a toxic level. There is a risk when smoking anything that the lungs could be affected. Vaporizing or eating marijuana is a healthier option.
More than 5,000,000 people die each year from smoking to tobacco. A total of 0 people have been reported to have died from smoking marijuana since humans discovered it.
About 5.4 million
Zero percent is the chances.
everyone
About 2 million people die from smoking each year in the us alone.
500,000 people die a year on average from lung cancer and cancer caused from smoking
none.
As of recent statistics from 2007 3271 people die from smoking each year.
Zero
None
an average of 106,000 people die every year as a direct result of smoking.
According to the CDC over 400,000 people per year die in the US prematurely due to smoking.