Effect on the immune system Smoking: Cigarette smoke contains high levels of tar and other chemicals, which make your immune system less effective at fighting off infections
So Zyn may offer adult smokers who have not been able to quit smoking a way to reduce their exposure to the toxic chemicals that cause disease, including cancer. But the nicotine in Zyn pouches is highly addictive and it may increase cardiovascular disease risk in people not already using nicotine products, Rees said
All cancers like head and neck ( oral, tongue, thyroid, parathyroid, larynx, etc ), GI cancers ( stomach, intestines, rectum etc ) Gynaec ( cervix, ovary, endometrium, vagina, vulva, Breast etc )
Wicked problems: Problems worth solving: A handbook and a call to action
Each nicotine product has its own risks, too