Snuff is ground or pulverized tobacco, which is generally inhaled or "snuffed" through the nose. It is a type of smokeless tobacco. There are several types, but traditionally it means Dry/European nasal snuff. In the United States, "snuff" can also refer to dipping tobacco, which is applied......

Nicotine is an alkaloid found in the nightshade family of plants (Solanaceae) which constitutes approximately 0.6–3.0% of dry weight of tobacco,[1][2] with biosynthesis taking place in the roots, and accumulating in the leaves. It functions as an antiherbivore chemical with particular......

The health effects of tobacco are the circumstances, mechanisms, and factors of tobacco consumption on human health. Epidemiological research have been focused primarily on tobacco smoking,[1] which has been studied more extensively than any other form of consumption.[2] As of 2000, smoking......