The dark side of Zyn: How tobacco-free nicotine pouches may harm your health

Nicotine pouches like Zyn have soared in popularity in recent years. Most are marketed as smoke-free, hands-free alternatives to cigarettes and other tobacco products.  NBC News Health

​Nicotine pouches like Zyn have soared in popularity in recent years. Most are marketed as smoke-free, hands-free alternatives to cigarettes and other tobacco products.