Related Topics. The FTA-ABS test is a blood test to detect antibodies to the bacteria Treponema pallidum, which causes syphilis. This test is used to confirm whether a positive screening test for syphilis means there is a true infection. Reference from A.D.A.M.
Cigarette smoke is a mixture of over 4000 chemicals, many of which are harmful to the human body. Currently all tobacco products available that are smoked deliver substantial amounts of toxic chemicals to their users and those who breathe their smoke.
Chewing tobacco facts. 1  Smokeless, snuff, or chewing tobacco contains nicotine as well as many known carcinogens (cancer-causing substances). 2  More nicotine is absorbed by chewing tobacco use that by smoking a cigarette. 3  Chewing tobacco use is a risk factor for the development of oral cancers and precancers.he amount of snuff placed in the mouth is referred to as a pinch, dip, lipper, or quid. A portion of chewing tobacco is referred to as a plug, wad, or chew. Chewing tobacco is known to contain at least 28 cancer-causing chemicals, medically known as carcinogens.