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Tobacco smoking during pregnancy causes many detrimental effects on health and reproduction, in addition to the general health effects of tobacco.A number of studies have shown that tobacco use is a significant factor in miscarriages among pregnant smokers, and that it contributes to a number of other threats to the health of the foetus.
Family Smoking Prevention and Tobacco Control Act; Long title: To protect the public health by providing the Food and Drug Administration with certain authority to regulate tobacco products, to amend title 5, United States Code, to make certain modifications in the Thrift Savings Plan, the Civil Service Retirement System, and the Federal Employees’ Retirement System, and for other purposes.
Smoking most commonly leads to diseases affecting the heart and lungs and will commonly affect areas such as hands or feet. First signs of smoking-related health issues often show up as numbness in the extremities, with smoking being a major risk factor for heart attacks, chronic obstructive pulmonary disease (COPD), emphysema, and cancer, particularly lung cancer, cancers of the larynx and ...
"In 2008, smoking prevalence was higher among men (23%) than women (18.3%)"; [35] however that gender gap appears to be narrowing. Prior to recent increasing smoking rates, women usually experienced different effects of smoking compared to men. For instance, a decrease in lifetime expectancy is greater for female smokers compared to male smokers.
Smoking is a practice in which a substance is combusted and the resulting smoke is typically inhaled to be tasted and absorbed into the bloodstream of a person. Most commonly, the substance used is the dried leaves of the tobacco plant, which have been rolled with a small rectangle of paper into an elongated cylinder called a cigarette.
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Smoking during pregnancy is dangerous to the unborn baby and may cause pre-term birth, birth defects such as cleft lip or cleft palate, or miscarriage. [93] [80] Tobacco is the most commonly used substance among pregnant women, at 25%. [87] [94] Nicotine crosses the placenta and accumulates within fetal tissues.
One of the most prominent and well studied epigenetic consequences of cigarette smoke is altered DNA methylation. Cigarette smoke acts through a number of mechanisms to effect this, chief among these being smoke-induced damage to the DNA and altered expression levels of proteins involved in DNA methylation and transcriptional regulation.