And it's not chewing tobacco, because there's no tobacco or ... While we don't know the long-term effects of Zyn yet, health experts say there are several health concerns to be aware of when ...

and chewing tobacco. However, since the product has only been on the market for 10 years, we haven't had *** lot of time to study its long-term health effects. So there's *** lot we still don't know.

Nicotine is the active ingredient in cigarettes, cigars, chewing tobacco, and other tobacco ... Nicotine may lead to many side effects. One of these involves getting headaches.