Smoking

Chantix is the brand name of the prescription medication varenicline. Doctors typically prescribe Chantix to help people stop smoking.

The Surgeon General added cautions and warnings to tobacco products decades ago, but the general public still has a relatively limited knowledge about what smoking does to their bodies. Beyond the...

Nicotine, found in tobacco products, is the main substance that causes smoking addiction. Its chemical structure is similar to other neurotransmitters in the brain, which allows it to control the...

Nicotine is a liquid alkaloid naturally present in the tobacco plant. Alkaloids have potent effects on the human body, which is why the nicotine in tobacco smoke is so addictive. Another alkaloid...

The human brain controls thinking, emotional feelings, mood, conscious thoughts and unconscious body processes such as breathing and food digestion. Tobacco contains a powerful drug identified as...

Nicotine is the addictive element in tobacco products, which boosts levels of the pleasure-inducing chemical dopamine and triggers the reward paths found in the brain. Tobacco addiction may also...

For smokers, quitting smoking can be a difficult and frustrating process filled with relapsing and irritability. That's because smoking, and more specifically nicotine, affects your brain...

Nicotine has an effect on the brain that stimulates responses. Essentially, nicotine fires up receptors within the brain which causes a release of neurotransmitters such as dopamine. This effect...

Marijuana. Pot. Weed. Ganja. All are words for the cannabis plant that contains THC (Tetrahydrocannabinol), a drug that affects the body and mind in a varied amount of ways. Illegal in the United...

When you smoke, the nicotine in the cigarette enters your body and makes its way to receptors in your brain. When these receptors receive the nicotine, they tell the brain to release a chemical...

Nicotine is a clear, natural liquid (alkaloid) that is found in tobacco. Nicotine is found in cigarettes, cigars and smokeless tobacco. Nicotine has both long-term and short-term effects on a...

Nicotine is one of the primary components in tobacco, and it is a highly addictive drug. When tobacco smoke is inhaled, nicotine is absorbed into the blood stream and can affect the brain within...

Cigarette smoking is a very difficult addiction to quit. With some determination and will power it is possible to quit smoking.

Nicotine is a highly addictive chemical that occurs naturally in tobacco. Nicotine causes severe withdrawal symptoms when an individual attempts to stop smoking, which is the reason this is so...

Smoking has profound psychological effects on the brain, including addiction and a utility for a smoker to change their moods internally. Find out how smokers use smoking as a crutch to get them...

Nicotine naturally occurs in tobacco, where it acts as the plant's natural defense against insects. It is often used commercially as insecticide. All tobacco products contain nicotine. This...

Marijuana is a drug which comes from the dried flowers, leaves and stems of the cannabis sativa plant. According to the National Institute on Drug Abuse, marijuana is the most commonly abused...

Chantix is a prescription-only medication used to help people stop smoking. It contains the drug varenicline, which was approved in 2006. Studies show that 44 percent of people who take Chantix...

As with any addictive substance, nicotine causes certain reactions in the brain that trigger a craving for more. As of November, 2007, the addictive characteristics of nicotine accounted for 23.9...