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Friday, February 11, 2011

ALCOHOL

Alcohol is created when grains, fruits or vegetables are fermented. Fermentation is a process that uses yeast or bacteria to change the sugars in the food into alcohol. Fermentation is used to produce many necessary items – everything from cheese to medications. Alcohol has different forms and can be used as a cleaner, an antiseptic or a sedative.

So if alcohol is a natural product, why do teens need to be concerned about drinking it? When people drink alcohol, it’s absorbed into their bloodstream. From there, it affects the central nervous system (the brain and spinal cord), which controls virtually all body functions. Because experts now know that the human brain is still developing during our teens, scientists are researching the effects drinking alcohol can have on the teen brain.

Alcohol is a depressant, which means it slows the function of the central nervous system. Alcohol actually blocks some of the messages trying to get to the brain. This alters a person’s perceptions, emotions, movement, vision and hearing.

In very small amounts, alcohol can help a person feel more relaxed or less anxious. More alcohol causes greater changes in the brain, resulting intoxication. People who have overused alcohol may stagger, lose their coordination and slur their speech. They will probably be confused and disoriented. Depending on the person, intoxication can make someone very friendly and talkative or very aggressive and angry. Reaction times are slowed dramatically – which is why people are told not to drink and drive. People who are intoxicated may think they’re moving properly when they’re not. They may act totally out of character.

When large amounts of alcohol are consumed in a short period of time, alcohol poisoning can result. Violent vomiting is usually the first symptom of alcohol poisoning. Extreme sleepiness, unconsciousness, difficulty  breathing, dangerously low blood sugar, seizures and even death may result.

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