what are in cigarettes
unit 6 bibliography what s in a cigarette disease chemicals cancer and heart disease the main ingredient in cigarettes is tobacco tobacco is a green leafy plant that is grown in warm climatesfarmers use many chemicals to grow tobacco they use fertilizers to make the soil rich and insecticides to kill the insects that eat the tobacco plant after the tobacco plants are picked they are dried and machines break up the leaves into small pieceshe main ingredient in cigarettes is tobacco tobacco is a green leafy plant that is grown in warm climates farmers use many chemicals to grow tobacco they use fertilizers to make the soil rich and insecticides to kill the insects that eat the tobacco plant
cigarettes and other forms of tobacco including cigars pipe tobacco snuff and chewing tobacco contain the addictive drug nicotine nicotine is readily absorbed into the bloodstream when a tobacco product is chewed inhaled or smokeda typical smoker will take 10 puffs on a cigarette over the period of about 5 minutes that the cigarette is lit thus a person who smokes about 1 pack 25 cigarettes daily gets 250 hits of nicotine each dayigarette smoking accounts for about one third of all cancers including 90 percent of lung cancer cases smokeless tobacco such as chewing tobacco and snuff also increases the risk of cancer especially oral cancers