i can make healthy choices! an introduction to the health effects of alcohol a small dose of ™...
TRANSCRIPT
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I can make healthy choices!
An Introduction To The Health Effects of Alcohol
A Small Dose of ™ Alcohol
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What Is This?
CH
H
H
OHC
H
H
(CH3-CH2-OH)
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Ethanol
CH
H
H
OH
Ethyl Alcohol
C
H
H
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Methanol
CH
H
H
OH
Methyl Alcohol
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Beer• 10,000 years ago – accident from grain?• 1100 AD guild formed devoted to brewing• 1722 – a nourishing drink for potters and
laborers created called Potter
Wine• 8,000 years ago – • 5,000 years ago the vineyards• 2,000 BC - Hammurabi ruler of Babylon sets
rules for the sale and purchase of wine• 1,500 BC Greek god of wine – Dionysus /
Bacchus
Historical Development
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Alcohol Alchemist of the 16th century saw alcohol
as the essence from distillation. The middle of the 18th century alcohol took
on its current meaning of the intoxicating ingredient of many common beverages.
Historical Awareness
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"You will conceive and bear a son…now then be careful to take no wine or strong drink and to eat nothing unclean".
Bible - Judges 13:3-4
Ancient Awareness
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’T is not the drinking that is to be blamed, but the excess.
John Selden (1584–1654)
In “Table Talk” 1689
Historical Perspective
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“Alcohol is the number one drug of choice among our Nation’s youth. Yet the seriousness of this issue does not register with the general public or policymakers.”
Enoch Gordis, M.D. Director, National Institute on Alcohol Abuse and Alcoholism.
Current Views
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Production of Alcohol
Fermentation – Sugar to Alcohol and Carbon dioxide
C6H12O6→ 2(CH3-CH2-OH) + 2CO2
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7.4% of adult population in U.S. alcoholic $185 Billion – cost of alcohol abuse in U.S. 100,000 deaths annual in U.S. related to $1.2 Billion spent on wine, beer and liquor
advertisements in U.S.
Some Current Facts
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Fetal Alcohol Syndrome (FAS)
Most common preventable cause of adverse CNS development
4,000-12,000 infants per year in US
CharacteristicsGrowth retardation
Facial malformationsSmall head
Greatly reduce intelligence
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Fetal Alcohol Syndrome (FAS)
1 to 3 births per 1,000 world wide??
1968 first association by French researchers at the University of Nantes
Early 1970’s FAS as condition – University of Washington, Seattle WA, USA
4,000-12,000 infants per year in US
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Fetal Alcohol Effect (FAE)
Milder form of FAS
7,000-36,000 infants per year in US
CharacteristicsGrowth deficiency
Learning dysfunctionNervous systems disabilities
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Effects of Prenatal Alcohol
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Effects of Prenatal Alcohol
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FAS Child (National Geographic, George Steinmetz, Feb 1992)
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Mouse – Scanning EM
(National Geographic, George Steinmetz, Feb 1992)
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Consumption
Have you ever drank alcohol?
Why?
Have you ever drank too much alcohol?
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Health Effects
What are the pleasant effects of alcohol?
The adverse effects (toxicity)?
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• CNS Depressant• Depression of inhibitory control• Vasodilation, warm, flushed, reddish skin• Emotional outbursts• Decreased memory & concentration• Poor judgment• Decreased reflexes• Decreased sexual response
Acute Effects
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Obvious• Alcoholism, death, cancer (oral cavity,
esophagus, liver), fetal effects (FAS)
Alcoholism• Cirrhosis of liver, appetite loss, poor
judgment Subtle
• Lost productivity, impaired performance, motor impairment, cost to society
Long Term Adverse Effects
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Alcohol & Cancer
Ethanol consumption increases risk of cancer
Oral CavityPharynx and Larynx
EsophagusLiver
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Rapidly absorbed from stomach, small intestine, and colon
Maximal blood concentration within 30 to 90 minutes
Can be absorbed through the lungs
Absorption
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Uniformly distributed throughout tissues and body fluids
Readily crosses placenta, to exposure fetus
Distribution
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Urinary ExcretionExhalationMetabolism
Elimination
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Metabolism I
CH OH
Ethanol
H
H
C
H
H
CH
H
H
C O
H
=
Acetaldehyde
(ADH – Alcohol Dehydrogenase)
ADH
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Metabolism II
CH
H
H
C O
H
=
Acetaldehyde(ALDH – Acetaldehyde Dehydrogenase)
ALDH
Acetate
CH
H
H
C O
OH
=
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Metabolism III
80-90% Metabolized Rate is constant (not increased
by concentrations in the blood) About 30 ml (1 oz) in 3 hours
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Gender Differences
Females higher blood alcohol levels than males
Males have higher stomach metabolism of alcohol than females
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Genetic Variation in ALDH
Acetaldehyde Dehydrogenase (ALDH) varies in Caucasians, Blacks and Asians.
50% of Asians have inactive ALDH
Elevated acetaldehyde cause increased flushing, tachycardia (elevated heart rate), nausea, vomiting & hyperventilation.
Disulfiram – inhibits ALDH
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Alcoholism - Disulfiram
Alcoholism Treatment with Disulfiram
Inhibits acetaldehyde dehydrogenase (ALDH)
Elevated acetaldehyde cause increased flushing, tachycardia (elevated heart rate),
nausea, vomiting & hyperventilation.
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Alcoholism – Alcohol Dependence
Characterized by the following:
• Craving: A strong need, or compulsion, to drink. • Loss of control: The inability to limit one’s drinking
on any given occasion. • Physical dependence: Withdrawal symptoms, such
as nausea, sweating, shakiness, and anxiety, occur when alcohol use is stopped after a period of heavy drinking.
• Tolerance: The need to drink greater amounts of alcohol in order to “get high.”
(from: U.S. Alcohol & Drug Information - http://ncadi.samhsa.gov/)
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Alcoholism – Alcohol Dependence
Approximately 14 million Americans—7.4 percent of the population —meet the diagnostic criteria for alcohol
abuse or alcoholism
(from: U.S. Alcohol & Drug Information - http://ncadi.samhsa.gov/)
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• Tremor• Nausea• Irritability• Agitation• Tachycardia• Hypertension• Seizers• Hallucinations
Alcohol Withdrawal Effects
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Ethanol as Antidote
Antidote for Poisoning by:
Methanol
Ethylene glycol
Diethylene glycol
Inhibits metabolic activation by alcohol dehydrogenase (ADH)
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U.S. Government Warning
The Alcoholic Beverage Labeling Act of 1988 requires that the following health warning statement appear on the labels of all containers of alcohol beverages offered for sale or distribution in the United States:
U.S. GOVERNMENT WARNING: (1) According to the Surgeon General, women should not drink alcoholic beverages during pregnancy because of the risk of birth defects. (2) Consumption of alcoholic beverages impairs your ability to drive a car or operate machinery, and may cause health problems.
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• 1981 - U.S. Surgeon General first advised that women should not drink alcoholic beverages during pregnancy.
• 1988 - U.S. requires warning labels on all alcoholic beverages sold in the United States.
• 1990 - U.S. Dietary Guidelines state that women who are pregnant or planning to become pregnant should not drink alcohol.
• 1998 - 19 states require the posting of alcohol health warning signs where alcoholic beverages are sold
Regulatory Status
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A Small Dose of ™ Alcohol
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Assignment please complete and submit.
Name:_______________________________________________Score:_________/24Choices Project: AlcoholStandards You Will Meet:"I know what I’m made of." Student understands the parts and functions of the human body systems. "I know how to make positive choices and the consequences for poor choices." Student comprehends the
concepts related to health promotion and disease prevention to enhance health and be able to make positive choices.
"I am a conscientious consumer and can locate health services in my community." Student can critique the agencies, businesses and organizations that provide reliable and credible services.
What you will research and submit:You will research and share the long term and short term effects of alcohol consumption to the body and self? _____What is alcohol? Where does it come from? _____What is the difference between proof and % of alcohol? Provide a picture of one drink; alcohol % in a shot, beer,
and glass of wine._____What are the short term effects of alcohol consumption? (physical, mental, social effects)_____What are the long term effects of alcohol abuse? (physical, mental, social, and financial effects)_____What is alcoholism, and what available treatments are there?_____You will attach this cover sheet to your project.*You may create a chart, paragraph format, whichever you like. You just need to include each of the following with the
most correct and current supporting information. Scoring for each of the bulleted items:4= Expert; consistent and thorough understanding of the information3= Proficient; possesses a reasonable understanding2= Novice; few basic facts and possesses 1= Beginner; limited information and understanding0= You do not meet standard on this