NPR's Patricia Neighmond reports on a new study out today concluding that there's no proof that devices intended to help smokers quit actually reduce lung and heart disease or are safe to use over long periods.
Copyright 2001 NPR
NPR's Patricia Neighmond reports on a new study out today concluding that there's no proof that devices intended to help smokers quit actually reduce lung and heart disease or are safe to use over long periods.
Copyright 2001 NPR