Motivation A

Addiction to Nicotine: physiological Effects, and Environmental Influences
Cherryl Williams
University of Phoenix
Psychology
355
Dr. Denise Bean
August 19, 2010

Addiction to Nicotine: Physiological effects, and environmental influences
Many Americans attempt to quit smoking cigarettes either day without success because of addiction to the nicotine contained in cigarettes accompanied by environmental influences. Nicotine is the tobacco plants inhering defense to insect attacks, this natural insecticides chemical signature is so similar to the neurotransmitter acetylcholine that once inner the genius it fits a host of chemical locks permitting it direct and corroboratory control over the flow of neurochemicals (Polito, 2009). The insular cortex, based on recent studies, may be responsible for conscious urges to resound drug abuse. smoking cigarettes has long been linked to many health issues and is responsible for one in five deaths, according to the American Cancer Society (2010).
The Brain and Motivating Addiction
The brain is the remainss center of control for homeostasis. It controls voluntary and involuntary movements and makes cognitive, emotional, and physiological feelings possible.



It also regulates unconscious body processes (wellness Effects of Smoking on the Brain, 2009). The arteries leading from the heart and lungs carry atomic number 8 and other chemicals to the brain (Health Effects of Smoking on the Brain, 2009). When cigarette smoking occurs chemicals cross the blood brain barrier causing a change in homeostasis. It all takes 10 seconds for nicotine to reach the brain after being inhaled into the lungs (Health Effects of Smoking on the Brain, 2009). According to the DSM-IV, The meaty feature of Substance Dependence is a cluster of cognitive, behavioral and physiological symptoms indicating that the individual continues use of the substance despite square substance-related problems (p. 176). Furthermore, nicotine...If you want to get a full essay, order it on our website: Orderessay



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