Stronger suction is required to smoke “electronic cigarettes” – marketed as tobacco-free nicotine delivery systems – than conventional brands, with possible adverse effects on human health, researchers at the University of California, Riverside report. The researchers used a smoking machine to compare the smoking properties of eight conventional cigarettes with five e-cigarette brands…
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e-Cigarette Aerosol Decreases Over Time In Smoke-Out Interval, Requiring Stronger Puffs
