Cigarette giants Philip Morris USA may have altered data on the harmful effects of cigarettes, according to an independent study conducted by the University of California San Francisco (UCSF).
While most cases of lung cancer occur in smokers, nearly 20 percent of cases strike those who’ve never touched a cigarette. When it comes down to the facts, 32,000 nonsmoking Americans die from lung cancer every year — so many that experts say it’s time to stop calling it “the smoker’s disease.”