1.A thick, oily, dark substance consisting mainly of hydrocarbons, made by heating wood, coal, or peat in the absence of air. Seecoal tar. 2.A solid, sticky substance that remains when tobacco is burned. It accumulates in the lungs of smokers and is considered to be a cause of cancer...
and that gets into thelungsof people whosmokehigh tar cigarettesExamples from the Corpustar•Ratingcigarettesbytarandnicotinecontent, much asgasolineis rated byoctanelevels.•Anakedman covered intarandsootslitheredby inpursuitof three young,gigglinggirls.•The amount oftarin cigarettes is also impor...
An increased risk of lung cancer has been reported in industries with PAH exposure, possibly because PAHs often bind to particulates, which can then get deep into the lungs (Boffetta, 1997; Mastrangelo et al., 1996; Armstrong, 2004; IARC, 2010). Skin cancer has been reported with dermal ...
More than 500 different unsubstituted and methylated PAHs, many of them known as strong carcinogens, could be identified in tobacco smoke condensate (Rodgman and Perfetti 2006) and about 10 ng of B[a]P has been estimated to be inhaled into the lungs from each cigarette (Swauger et al. ...
"infusion of tar in cold water," from c. 1740 through late 18c. a popular remedy for many chronic conditions, especially of the lungs, fromtar(n.1) +water(n.1). also fromc. 1740 Entries linking totar-water tar(n.1) type of thick, viscous, dark-colored liquid used as a salve ...
They are typical epithelial neoplasms, identical histologically with those described by previous authors as occurring spontaneously in mice. Some possible factors in the causation of the tumors are briefly discussed. 展开 关键词: cutaneous application disease prevalence hay incidence lungs neoplasms workers...
smoke contains at least three hazardous chemicals: tar, nicotine and carbon monoxide, tar is mixed into the material by several substances in the lungs will be concentrated into a viscous substance, nicotine is a make people addicted drugs, absorbed by the lungs, the main impact on the nervo ...
LOW-TAR CIGARETTES TIED TO CANCER DEEP IN LUNGS
a吸烟产生的二手烟有两个部分,直接从烟头上冒出的那部分跟吸入肺部的一样,主要是微小的烟尘颗粒、焦油、烟碱等,直径一般都在0.5微米以上,还有一部分是没有被肺吸收,吐到空气中的 Smoking produces two smoke have two parts, directly that part which emits from the cigarette butt with inspiration lungs dissim...
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