Bacillus

It's time for this year's second installment of student guest posts for my class on infectious causes of chronic disease. Second one this round is by Jonathan Yuska.  If you happen to be one of the 46 million individuals who have not been swayed to quit smoking by the countless anti-cigarette ads in print and on television, here is one more piece of evidence that may have you second thinking that next puff. On top of the more than 3,000 chemicals and heavy metals already identified in ordinary cigarettes1, upwards of a million microorganisms per cigarette have also been found to live and…