do cigarettes cause dementia Smoking shrinks the brain and drives up Alzheimer’s risk, new study finds Smoking and Dementia Risk -

In some women, these hormonal changes can alter taste perception and smell sensitivity

Trees are cut down to cure tobacco, and this process depletes the Earth's natural resources

Throwing your cigars and cigarettes overboard is not allowed, as this may cause serious fire if the wind carries them back

However, due to the historical background of use, securing national taxation, and to prevent realistic side effects and problems such as smuggling and black markets that may occur if a complete ban is imposed, most countries regulate, control, and sell it as a legal recreational product.[2] Meanwhile, Article 2 of the Tobacco Business Act of the Republic of Korea defines cigarettes as 'those manufactured using all or part of the raw materials tobacco or nicotine in a state suitable for smoking, sucking, inhaling vapor, chewing, or smelling.' In the past, only nicotine extracted from tobacco leaves was recognized as legal cigarettes, and synthetic nicotine liquid used in electronic cigarettes made from chemicals was not included in the legal definition, but was included in the regulation through a revision of the law that took effect on April 24, 2026