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"Nicotine pouches are a relatively new category of tobacco products that are unique because they contain a crystallized nicotine powder instead of tobacco leaf," Tory Spindle , an associate professor of psychiatry and behavioral sciences at Johns Hopkins Medicine, told Live Science in an email

Now, there are concerns about long term nicotine gum use, including the impact nicotine has on insulin resistance in the body, with the potential this can lead to diabetes

But he insists that its only ever in the service of harm reduction, never to promote smoked tobacco

Smokeless tobacco contains 28 cancer-causing agents

Nicotine reacts with the corticotropin-releasing factor (CRF) in your hypothalamus, which reacts with the HPA Axis to create cortisol

Nicotine dependence is real, and quitting does not have to be abrupt to be effective