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doi:10.1136/bmjopen-2018-025370

Blackburn Tobacco is one of the well-known brands from Russia, appreciated for intense flavors and voluminous smoke production

Mama Mia: An explosive, tangy, and sweet berry explosion featuring a perfectly balanced blend of tart Grapefruit, juicy Strawberry, and vibrant Raspberry

It often takes many years before a person notices any symptoms of smoking-related lung disease

Snuff is a niche product "for people who are trying to be different, or for people who like it for the ritual," says Schardt, who has created a beginner's guide (.pdf) demonstrating various sniffing techniques and suggesting mellower brands for curious beginners