A new examine is casting still one more shadow around e-cigarettes. Researchers at the University of Pennsylvania say participants who inhaled only vape juice—no nicotine, no flavorings—suffered temporary adjustments to their cardiovascular program, Wired studies. The study located that brain, heart, and leg arteries in the 31 contributors constricted by more than 30%, which lowered oxygen circulation in the blood by 20%. Arteries also stiffened, a symptom by now connected to cardiovascular illnesses like stroke and hypertension. “The outcomes of our examine defeat the idea that e-cigarette vaping is harmless,” suggests analyze leader Felix Wehrli.
But Juul, which controls more than 70% of the American vaping industry, pointed out a feasible limitation—that contributors inhaled 16 occasions for a few seconds just about every. The San Francisco-dependent enterprise known as it “a compelled puffing regime that is unrealistically large in volume with quite limited time involving puffs.” And not only vaping brings about this sort of responses: Caffeine use and exercising also briefly impact vascular action. But just after dozens arrived down with respiratory health problems joined to vaping, and a further analyze raised pink flags about vape juice, caution may well be the best wager. “There is no question in my mind that vaping is safer than regular smoking cigarettes,” a health care provider tells CNN, “but that doesn’t mean that it is secure.” (Read through extra vaping stories.)