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Updated January 2, 2002
Tobacco, and the brains of our kids

Ask Dr. Bill

Dear Readers,
Being angry is no way to start a new year, but I am. The New Jersey Senate lame-duck Budget and Appropriations Committee just approved a bill to CUT the present tax on cigars and other tobacco products. If it becomes law, it will deprive the state treasury of a few million dollars in annual income. Far worse: the bill was approved inspite of the well-known fact that higher tobacco taxes discourage youthful smoking. 80-90% of smokers started smoking in their teens...70% of smokers age 17 or less say they regret starting...About 30% of youth smokers will continue smoking and die early of a smoking-related disease....So, why cut tobacco taxes?? Let me share some info from the National Institute of Drug Abuse; much of which was only recently discovered by leading scientists. For centuries, people have chewed and smoked tobacco. Why?.... Because it contains the powerful drug, nicotine. When tobacco is smoked, nicotine is absorbed by the lungs, moving rapidly into the bloodstream and circulating throughout the brain. The drug reaches the brain within 8 seconds after inhaling of tobacco smoke. It also enters the bloodstream through the mucous membranes of the mouth (if chewed) or nose (snuff); even through the skin.

Nicotine affects the entire body. It acts directly on the heart, changing both rate and blood pressure. It also acts on the nerves that control respiration. In high concentrations, it is deadly ... one drop of purified nicotine on the tongue will kill a person. It's so lethal that it has been used as a pesticide for centuries. People, particularly vulnerable kids, smoke because nicotine acts in the brain to stimulate feelings of pleasure The brain is made up of billions of nerve cells, communicating by releasing chemical messengers called neurotransmitters. Each neurotransmitter is like a key that fits into a special "lock," called a receptor, located on the surface of nerve cells. When a neurotransmitter finds its receptor, it activates the receptor's nerve cell. The nicotine molecule is shaped like the neurotransmitter, acetylcholine which, with its receptors, is involved in muscle movement, breathing, heart rate, learning, and memory. They also cause the release of neurotransmitters and hormones that affect your mood, appetite, memory, and more. When nicotine gets into the brain, it attaches to acetylcholine receptors and mimics the actions of acetylcholine. Nicotine also raises the levels of a neurotransmitter called dopamine in the parts of the brain that produce feelings of pleasure and reward. Dopamine (the "pleasure molecule") is the same neurotransmitter that researchers now believe plays a key role in all addictions. Nicotine is almost as addictive as cocaine... more so than heroin This is why it is so hard for people to stop using tobacco.

If nicotine is used repeatedly, whether by smoking or chewing tobacco, the body develops a tolerance for it, rapidly causing addiction... making it extremely difficult to quit. Kids who start smoking before the age of 21 have the hardest time quitting, and fewer than 1 in 10 who later try to quit smoking, succeed. When nicotine addicts stop smoking they may suffer from "withdrawal symptoms" such as restlessness, hunger, depression, headaches, and other uncomfortable feelings. Long-term smoking can be much worse. It raises blood pressure, dulls the senses of smell and taste, reduces stamina, and wrinkles the skin.Eventually it can lead to fatal heart attacks, strokes, emphysema, and cancer. Tobacco use causes far more illnesses and death than all other addicting drugs combined. One out every six deaths in the United States is a result of smoking.

Even when faced with risk of death, many people keep using tobacco because they are so addicted to nicotine. Believe it or not, half of those who have heart attacks or even oral cancers continue using, even though their doctor warns them to stop. That's a strong addiction! Who do the Senate committee members owe more to, the tobacco industry or our kids??

Happy New Year!


Dr. Willian Van Ost, M.D., is a Co-founder of The Van Ost Institute for Family Living, a non-profit outpatient center for treatment of addictive illnesses. Located in Englewood, it offers continuing, free weekly educational lectures. (Call 201-569-6667, e-mail to vanost@msn.com or visit www.vanostinstitute.org). Dr. Bill welcomes questions about addiction and effects on the family.

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Address inquiries:
Dr. Bill
Care of The Van Ost Institute
150 East Palisade Ave.
Englewood, NJ 07631-3010
Phone inquiries: (201) 569-6667
E-mail to: drbill@vanostinstitute.org

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