Propylene glycol is approved and used as a vehicle for topical, oral, and some intravenous pharmaceutical preparations in the U.S
No throat-tax and unlimited joy, says the Boston of today
Each of these components of e-cigarette vapour has been demonstrated to pose a risk to the cardiovascular system: a) nicotine can increase blood pressure and heart rate, or cause inflammation or stiffness in the arteries
Thus, the first EC later became known as a cig-alike (Figure 2)
Scientific reports, 7(1), 1690
66 One recent study showed that hypertensive people who smoked less than 20 pack-years (one pack-year is defined as 20 cigarettes smoked every day for one year) had a 19% increase in cardiovascular death compared with those who never smoked, and those who smoked more than 20 pack-years had a 33% increase in death risk from cardiovascular disease