NIH funded studies show damaging effects of vaping, smoking on blood vessels National Institutes of Health (NIH) Powermatic 2 Plus Electric Cigarette Injector Machine Best for Smooth and Efficient Cigarettes Blown up in smoke: Young adults who vape at greater risk of COVID symptoms Harvard Health Cigarette smoke induced lung inflammation in COPD mediated via CCR1 JAK STAT NF B pathway Figure f2 Aging