But , he says , he always restarted , because `` it calms me down . '' Despite health effects , economic and social pressure , 20 percent still smoke . About 90 percent of adult smokers start in high school . Worldwide , about 4 million people die each year of smoking - related diseases . iReport.com : Do you still smoke ? Tell your story .
Despite health effects , economic and social pressure , 20 percent still smoke . About 90 percent of adult smokers start in high school . Worldwide , about 4 million people die each year of smoking - related diseases . iReport.com : Do you still smoke ? Tell your story .