Test Your Smarts - Tricks of the Trade
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The smoke from cigarettes has how many different things in it that cause cancer:
In 1989, millions of cases of fruit were tossed out after a teeny bit of cyanide was found in just two grapes. How much cyanide is there in a cigarette, compared to those grapes?
Tobacco companies add ammonia to cigarettes because it makes the nicotine (the addictive stuff) in cigarettes stronger, which makes people get hooked faster. Where else can you find ammonia?
- Page last reviewed: May 9, 2015
- Page last updated: May 9, 2015
- Content source:
Looks like cigarettes are much more dangerous than you thought! There are no fewer than 69 cancer-causing agents in cigarette smoke! Cigarettes companies add all kinds of dangerous chemicals to cigarettes to give smokers a stronger hit of nicotine (and keep them hooked on smoking). 
They're all right! Ammonia is in fertilizers, explosives, and refrigerants. It's also what makes cat pee stink. Smokers are breathing ammonia in, along with all sorts of other nasty chemicals, like carbon monoxide, a colorless, odorless, poisonous gas also found in car exhaust, and arsenic, a poisonous metal used in bug and weed sprays.