Tobacco smoking
The direct inhalation of tobacco smoke, the basis of major health hazards.
Long known to cause cancer in humans, tobacco smoking is generally held to be the leading preventable cause of cancer in developed countries. Tobacco smoking was formally classified as a “known human carcinogen” by the US government in 2000.
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- Toc- (prefix)
Stemming from the Greek word “tokos” meaning childbirth, we have toc-, toco-, tok-, and toko- as combining forms, all referring to labor or childbirth.
- Toco-
Prefix meaning childbirth. For example, tocolysis is the slowing or halting of labor. Sometimes spelled tok-, toko-.
- Tocolysis
The slowing or halting of labor during the birth process.
- Tocolytic
Relating to the inhibition, delaying, or halting of labor. For example, a tocolytic drug is a medication that deters labor.
- Tocolytic agent
A medication that can inhibit labor, slow down or halt the contractions of the uterus. Tocolytic agents are widely used today to treat premature labor and permit pregnancy to proceed and so permit the fetus to gain in size and maturity before being born.