Two of the most common are toluene and benzene, both classified as volatile organic compounds (VOCs)
For example, benzo[a]pyrene, formaldehyde, and acrolein levels are 90-99% lower compared to cigarette smoke
Though through different means, our spouses and our pipes communicate their dissatisfaction regarding our behavior quite effectively
The long-term health data on what its doing to the people consuming it is only now being collected
In fact, tobacco companies used to involve the medical community in their advertisements before studies proved that cigarettes are linked to cancer, and similar images have been circulating online for years
What I always remembered the most were the shots of the enormous, monster-like dog behind the fence, specifically the shot of his huge head popping up from behind the fence and grabbing a baseball in midair