A major new study provides the strongest evidence yet that vaping can help smokers quit cigarettes, with e-cigarettes proving nearly twice as effective as nicotine gums and patches.
The British research, published Wednesday in the New England Journal of Medicine, could influence what doctors tell their patients and shape the debate in the U.S., where the Food and Drug Administration has come under pressure to more tightly regulate the burgeoning industry amid a surge in teenage vaping.