Pesticides approved for use on tobacco farms turn up in cigarette smoke, a new study finds.
Three different chemicals were detected at levels about 10% of those measured on tobacco leaves before processing. They are suspected carcinogens but are also "endocrine disruptors" which affect hormonal processes including reproduction and fetal development.
Of course the usual disclaimers apply: there are no studies on the long-term effects of this exposure, yadda yadda.
But it can't be good.