New research provides evidence that the average cigarette is crawling with germs, including bacteria that cause respiratory disease. But as one spokesman for a tobacco company pointed out, the authors of the new study aren’t sure what, if any, hazard the germs pose. And exposure to bacteria is nothing new: Microbes surround us every day of our lives. Still, the findings raise plenty of questions, said study lead author Amy R. Sapkota.  ... Jump to full article >>