smoke 4 cigarettes a day Most people have never thought about radon. But if you live in home where the long-term radon average is consistently at or above pCi/L (that's 148 Bq/m3 if you're outside Health consequences of smoking 1–4

Although many factors may predispose a pet to cancer, research shows that passive smoking is a main danger.Scientists from the College of Veterinary Medicine at Purdue University discovered that Scottish terriers who were exposed to secondhand smoke at home were six times more likely to develop bladder cancer than those who were not routinely exposed to smoke.Passive smoking is also linked with nasal cancer in dogs

It is common for non-daily smokers to go without smoking cigarettes for weeks but then resume at a social event

Available at: Accessed June 10, 2003

Cigarette smoke, on the other hand, has a sharp, acrid scent that comes from burning tobacco and various chemical additives

Marijuana affects each person differently based on several factors, like: The effects you might experience from marijuana arent always the same as what someone else might feel

Tobacco contains nicotine, an ingredient that can lead to addiction, which is why so many people find it difficult to quit smoking