Whether you call it vitamin B3, niacin or nicotinic acid, niacin is a vitamin your body uses to change the foods you eat into an energy source. Your body also uses it to produce hormones. Your physician might recommend taking it, however, if you have high cholesterol because nicotinic acid can lessen the amount of cholesterol in your blood. Nicotinic acid is not without its side effects -- including a symptom known as "niacin flush." Because niacin opens your blood vessels, this can increase the blood flow to your skin, causing you to appear...
According to the Centers for Disease Control and Prevention, 433,000 Americans die each year from smoking-related causes. Heart disease, cancer, respiratory disease and reproductive problems have all been linked to tobacco use....
Inhaling nicotine in tobacco is most commonly done by smoking cigarettes. There are roughly 60 million cigarette smokers in America as of 2007. Astoundingly, the American Council for Drug Education reports 30 percent of adolesc...
Nicotine is the addictive ingredient in tobacco that causes the chronic use of tobacco products for many people. People generally feel some effects of nicotine immediately, and the pleasant effects cause them to continue to use...
Dossey and Lynn Keegan, authors of "Holistic Nursing," a link exists between erectile dysfunction and nicotine -- in fact, nicotine is considered the foremost cause of impotence in the United States as of 2009. Nicotine's adver...
Nicotine is the active ingredient in cigarettes. The American Heart Association estimates that after smoking a cigarette, it takes about two hours for half of the nicotine to leave the body. Smokers repeatedly build up nicotine...
Nicotine is one of the most addictive substances known to man. It is also one of the most damaging. Because tobacco is a legal drug, it is easy to obtain, but not so easy to quit once you have become addicted. However, the bene...
All NRT methods, including lozenges, work by relieving the withdrawal symptoms that often cause smokers to return to cigarettes. However, like any drug, nicotine lozenges have side effects that should be monitored to ensure saf...
Nicotine is a naturally occurring alkaloid found in tobacco plants. Nicotine has a physiologic effect because it binds to receptors on the neuromuscular system. Nicotine affects the skeletal, smooth and cardiac muscles, which...
Addiction causes individuals to continue using tobacco products in spite of the existing health risks. Nicotine is the ingredient in tobacco products that causes addiction, and it has many other effects on organisms.
It is commonly known that smoking is an unhealthy habit for men and women. Men are particularly affected with direct effects that relate to overall body health and hormonal balance. Nicotine can have a significantly negative ef...
Nicotine, the addictive drug contained in cigarettes, has no therapeutic application and has detrimental effects on every cell in the body, including muscle cells. Aside from the obvious function of muscle for movement, muscle ...
Nicotine is a stimulating drug that produces physical and mood-altering effects on the brain and body. Athletes using any form of nicotine may short-term performance benefits, but have the potential to develop long-term health ...
Nicotine can also make the blood more likely to clot and block an artery, and it can cause damage to the lungs and make breathing difficult. Nicotine in the body is first processed by the liver and then excreted by the kidneys....
Nicotine is a highly addictive chemical and reinforcing agent responsible for continued smoking behavior. It action on the brain involves chemical messengers or neurotransmitters that produce psychoactive or mood-altering effec...
Nicotine is a poisonous alkaloid found in tobacco. People smoke or chew tobacco because of the nicotine, its chief addictive ingredient. Smoking is one of the most expedient ways to get nicotine into the bloodstream. Statistics...
Nicotine is the chief active component of tobacco. It is highly addictive, because it induces structural as well as functional changes in the brain, which, in turn, reinforce the continued use of tobacco. An addiction to nicoti...
Like other addictive drugs, nicotine affects the brain by increasing feelings of reward. The text "Neurobiology of Addiction" describes several other physiologic effects of nicotine, including the following: increased heart rat...
Nicotine is an addictive drug that occurs naturally in tobacco and other plants of the Solanaceae family, explains the "Encyclopedia of Drugs, Alcohol & Addictive Behavior." The physical effects of nicotine use vary dependi...
Nicotine is defined by St. John Medical Center as an active and potentially poisonous ingredient in tobacco that directly stimulates the nervous system. According to the National Institute on Drug Abuse, nicotine is one of the ...
Nicotine, a major ingredient in tobacco, rapidly absorbs into the bloodstream whether a tobacco product is smoked, inhaled or chewed. Nicotine affects users of cigarettes, cigars, pipes and chewing tobacco. The drug eventually ...
Nicotine is classified as a stimulant drug that is naturally found in the leaves of the tobacco plant, according to the National Institute on Drug Abuse. As a stimulant, nicotine causes excitement and feelings of euphoria. Desp...
Erectile dysfunction is a condition characterized by the inability of a man to achieve or hold an erection. The dysfunction can be caused by psychological and mental hang-ups, or the problem might be caused by physical problems...
The receptors that interact with nicotine are called nicotinic acetylcholine receptors, abbreviated as nAch receptors. When nicotine binds to nAch receptors, the cell is stimulated to release a neurotransmitter called acethylch...
Nicotine is a drug that is considered to have negative side effects on babies similar to illegal drug use during pregnancy, notes Science Daily. Casual smoking, even as few as six cigarettes per day, can cause physical effects ...
Nicotine, which is a naturally occurring chemical compound found in plants, such as tobacco, was once used in insecticides. Inhaled during smoking, it has an immediate effect on the body. The effects of nicotine on the cardiova...
Currently, around 50 million American's smoke, advises the website. Nicotine reaches the brain faster than drugs administered intravenously and causes both stimulating and depressant effects. Nicotine addiction is difficult to ...
Tobacco companies focused on nicotine because nicotine exerts many predictable physiological and psychological effects on humans. Were it not for the overwhelming addictive potential of nicotine, fewer people would be at risk f...
Nicotine is a substance found in tobacco. When consumed, typically through smoking cigarettes, it can trigger an addiction that makes it difficult for a patient to stop smoking. According to the University of Maryland Medical C...
Nicotine is a powerful drug found naturally in tobacco and other plants in the nightshade family. Its effects have been studied extensively in clinical settings ranging from hospital emergency rooms, university laboratories and...
When absorbed into the body by smoking cigarettes, using smokeless tobacco or through second-hand smoke, nicotine can act as both a stimulant and a depressant. It has many effects on the body and its systems.
According to the National Institute on Drug Abuse, or NIDA, once a cigarette smoker inhales a puff of smoke from the cigarette, it takes 8 seconds for the nicotine to travel to the brain. Once in the brain, nicotine causes mult...
Nicotine not only affects the body, it can have profound effects on the mind. When added to the physical withdrawal symptoms, the positive psychological effects of nicotine make it even more difficult to stop smoking.
The biological effects of nicotine occur due to its interaction with nerve cells in the body and brain. Nicotine interacts primarily with the autonomic nervous system, which controls involuntary body responses. The body-wide di...
Yet, cigarette smoking causes 438,000 deaths annually in the U.S. Although more than 4,000 chemicals are found in cigarettes, nicotine is the primary component that affects the brain. When a smoker inhales nicotine it starts a...
The National Institute of Drug Abuse for Teens says that one drop of nicotine in its pure form is toxic enough to kill. Though concentrations of nicotine in cigarettes are much weaker, they are still potent enough to cause life...
Nicotine is a drug from tobacco that causes people to become physically and emotionally addicted to it. When inhaling nicotine, the drug goes into the lungs and absorbs into the bloodstream. Nicotine affects the heart, blood ve...
The March of Dimes indicates that in the United States, at least 10 percent of pregnant women continue to smoke during pregnancy. The ultimate price of choosing to smoke results in many potential problems with the fetus and aft...
Nicotine is an addictive substance that causes changes in the brain. According to the Mayo Clinic, nicotine produces mood-altering effects in the brain in addition to potential health problems. The brain is comprised of nerve c...
The effects of nicotine on the body range from psychoactive changes in the mood to different bodily functions like breathing, heart rate and digestion. The effects of nicotine should not be confused with the effects of smoking ...
Dependence on nicotine, a drug found naturally in tobacco, can create a variety of adverse health effects for those who are both mentally and physically addicted. Not only is the nicotine responsible for the initial addiction, ...
When inhaled by smokers, the smoke is inhaled deeply into the crevices of the lungs, and the nicotine is absorbed into the bloodstream. This, along with the addiction, causes some serious effects.
These salts may be used in medicines. Nicotine is used in gums and transdermal (skin) patches to be used in smoking cessation therapy. The rationale is to reduce withdrawal symptoms that accompany quitting smoking. Nicotine has...
Nicotine, whether encountered through cigarette smoke, chewing tobacco or other "smokeless" tobacco products, can have adverse effects on the developing fetus when used by a pregnant woman. As with many drugs and medications, t...
It is an alkaloid chemical contained in plants of the nightshade variety. The American Heart Association states that withdrawal symptoms from smoking cessation are unpleasant enough to make it one of the hardest addictions to b...
Nicotine is a potent drug that occurs naturally in tobacco. Those who become addicted are attached to the drug for various reasons: the euphoric effects as well as psychological and emotional reasons. Those who desire to quit ...
Nicotine is a chemical substance that is found in tobacco products like cigarettes. Smoking is one of the most common outlets that nicotine has to get into the body. Some short-term effects of nicotine include a rush of energy ...
Nicotine use has been linked to heart attack, strokes and diseases of the circulatory system. It has also been linked to lung and other cancers, including larynx, oral cavity, pharnynx, esophagus, pancreas, bladder, cervix and...
Nicotine is one of many chemicals in tobacco. It's a stimulant, and as such, causes the user to feel more alert, although some describe a feeling of relaxation as well. It is a mood-altering drug that makes people feel good tem...
