It looks like you're using an Ad Blocker.
Please white-list or disable AboveTopSecret.com in your ad-blocking tool.
Some features of ATS will be disabled while you continue to use an ad-blocker.
One of the hazards of cigarettes is that smokers inhale free radicals directly into their lungs. The new finding suggests that in the form of PFRs, the average person inhales the same amount of free radicals as in 300 cigarettes -- every day.