Continuing with my new theme of responding to relevant questions in the blog, here is an email I received today:

I have recently a heard an “expert” on ageing (on a slovenian tv show, I’m from Slovenia) say that one puff of smoke contains roughly one BILLION free radicals, which supposedly explains why smokers allegedly age faster than non-smokers. He also showed photos of identical twins (one smoker and the other not): of course the smoker looked much older than the non-smoker twin. I was not pursuaded by the “evidence”; if one twin smokes and the other does not then there are certainly other environmental factors that differ between the two. I would be really grateful if you could tell me what real figures on free radicals in one cigarette are. Thank you!

 

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