a sharp rise inuth tobacco use mostly connected toig e-carettes and vaping is sparking federal action. >> virginia senator t kaine is co-sponsoring a bipartisan bill to raise the age at which you can buy tobacco. it would go from 18 to 21 both cigarettes and vaping devices. he joined senate majority leader mitch mcconnell on the senate floor yesterday to introduce the bill. it would also apply to members of the military and allow states to enact laws with even higher minimums if they choose.c. d.maryland, and virginia have already raised -- rather, voted toise the minimum smoking age to 21. >>> artificial intelligence may be able to dete lung cancer before radiologists. scientists from northwestern university and google trained their computer system to assess lung nodules without human involvement. this form of artificial intelligenc t was ableo identify cancer with 94% accuracy. the model was often more accurate than expert radiologists. researers say these findings still need to be confirmed in larger studies. >>> a study finds cbd-brand cannabis products could hlp eroin abusers kic