chewing tobacco is injurious to health doesn't damage your overnight. It starts quietly. A pouch here. A chew there. A habit that feels harmless. But long before symptoms appear, tobacco can begin affecting your mouth, heart Health Risks of Tobacco Use

[1] FDA materials state the product was previously marketed (without modified-risk information) as Copenhagen Snuff Fine Cut

The study found that overall e-cigarettes, as consumer products, are not associated with increased smoking cessation in the adult population, although in randomized control trials, provision of free e-cigarettes as a therapeutic intervention was associated with increased smoking cessation

The "manufacturing" handle also applies to simply packaging bulk tobacco

Protect Your Lungs While you cant entirely undo years of damage from cigarette smoking, the best thing you can do to detox is to protect your lungs from any further damage, Edelman says