tobacco sticks vs cigarette Two Different Heated Products vs. Cigarettes: Comparison of Nicotine Delivery and Subjective Effects in Experienced Users Heated Tobacco Products - ASH

N Engl J Med 2018:379: 10991102

Non-invasive, it doesnt cause pain or burns, and since no chemicals are used, theres no risk to your body either

The ideal range for Manchester cigarettes is approximately 6570% relative humidity, closely matching the controlled conditions used during production

The difficulty is that its nearly impossible to discern if you dont know what youre looking at

"Greater education about the harms associated with vaping and more intensive monitoring and enforcement could assist in reducing uptake in relatively high-prevalence groups such as educated adults," it added

This means that smokers are expected to have less sperm concentration than non-smokers