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.
Tobacco smoke contains many chemicals that are harmful to both smokers and nonsmokers. Breathing even a little tobacco smoke can be harmful (1-4). Of the more than 7,000 chemicals in tobacco smoke, at least 250 are known to be harmful, including hydrogen cyanide, carbon monoxide, and ammonia (1, 2, 5). Among the 250 known harmful chemicals in tobacco smoke, at least 69 can cause cancer.