Health & Fitness | Health

COPD in nonsmokers, smokers share similar prevalence by US region

There is a strong correlation between the state-level incidences of COPD in both nonsmoking and currently smoking populations, indicating that in certain U.S. regions, nonsmoking adults are more likely to be exposed to secondhand smoke, according to a stu

Health & Fitness | Marijuana

Are There Risks From Secondhand Marijuana Smoke? Early Science Says Yes.

Scientists are finding that, just as with secondhand smoke from tobacco, inhaling secondhand smoke from marijuana can make it harder for arteries to expand to allow a healthy flow of blood.