Federal agencies at FY 2019 funding for another month; Michigan imposes age restriction on OTC DXM sales; and senators urge IRS to make supplements 'medical expenses'.

Research in JAMA Internal Medicine studied "longitudinal associations between [e-cigarette] use and tobacco smoking patterns in a large population-based cohort study" and found use was associated with reduction in smoking and an increased probability of smoking cessation. But the researchers saw that e-cigarette users who quit tobacco "tended to relapse to smoking more frequently than" former smokers who didn't use e-cigarettes.