explain why cigarette smoke is toxic Smoking | Smoking and Tobacco Use Health effects of smoking tobacco

If hives occur as part of a serious allergic reaction (known as anaphylaxis), the allergic reaction should be treated immediately with epinephrine, and antihistamine can be given after epinephrine is given

Regulatory cloud hangs over e-cigarette revolution The electronic cigarette is seducing Europe and America, luring millions away from traditional tar-depositing tobacco with a battery-powered alternative that claims to be satisfying and harmless.And while many smokers have swapped tobacco for a plastic gadget that emits a vapour inhaled like smoke, the "e-cig" faces a threat in Brussels and Washington, where policymakers fret it exploits a legal grey zone.The e-cig claims to mimic the look, feel and flavour of the real thing -- minus its tar, ash, smoke and most of its toxins.The gadget contains a liquid that is heated and inhaled as a vapour

How Are Cigarettes Made Nowadays

Most cartons are in strong cardboard and sealed with plastic to avoid moisture damage

Data sources: Medline 1946 to May 2015, with manual searches of references