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But what exactly is cotinine, and why does it matter

Cotinine was detected in serum, fur, and amniotic fluid samples from both SHS-exposed and non-exposed groups, with significantly higher concentrations observed in the exposed pregnant bitches (p=0.004) 5

This image of Vintage Craven 'A' Cigarette Advertisement Classic 1930s Smoking Elegance by Illustrated London News Ltd/Mary Evans Picture Library/Pantheon is available for licensing today

"A significant proportion of our visitors do not smoke, and more than 90 percent of the comments we have received are positive and in favor of Revel remaining smoke-free," he said Thursday

Not so easy