A Short Note On Alcohol, Tobacco, Marijuana, And Opioids

1175 Words5 Pages
Julie Thao
HSCD 300-01
Essay 1
February 7th, 2016

1. The four most commonly used substances as described from the course textbook are alcohol, tobacco, marijuana, and opioids. Alcohol is a translucent liquid in appearance and has a bitter acquired taste which suppresses brain activity. The intake of alcohol effects the cerebral cortex by ceasing the inhibition of user and develops a relaxed and more social characteristic in the way the user interacts with others. As a depressant, the use of alcohol with its relaxing effect causes impairment in cognition and ability to make effective decisions. Another effect caused by the intake of alcohol are increased sex drive prior to the frontal lobe of the brain being under the influence of chemicals and damage to the major brain neurotransmitters, which can lead to impairment of new memories. The effects that alcohol are accountable for on the body are on the cardiovascular system and massive amounts of alcohol use leading to intoxication can cause severe damage to the liver including the nervous system resulting in death (Stevens, P., & Smith, R. L., 2013).

Nicotine can be found in tobacco products an example is in cigarettes. It serves as a minor stimulant as well as a sedative to the central nervous system. The effect nicotine gives off is known as a “kick” which is caused by a “discharge of epinephrine from the adrenal cortex,” that stimulates the central nervous system and endocrine glands to establish an immediate release

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