You see, waxy and oily compounds found in smoke have a habit of clinging to walls and furniture
The chemical additives in commercial cigarettes (including ammonia, formaldehyde, benzene, and others) make tobacco smoke significantly more toxic than unprocessed plant smoke
Bidis are thin, hand-rolled sticks made by wrapping sun-dried tobacco in tendu leaves and tied with a thread
Michelle Peace, a forensic science professor at Virginia Commonwealth University, tells VCU News
Additionally, cardboard provides a physical barrier that helps to shield cigarettes from moisture, heat, and light, helping to maintain their freshness and quality from the point of manufacture to the end consumer