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Related Concept Videos

Hypothesis Test for Test of Independence01:16

Hypothesis Test for Test of Independence

The test of independence is a chi-square-based test used to determine whether two variables or factors are independent or dependent. This hypothesis test is used to examine the independence of the variables. One can construct two qualitative survey questions or experiments based on the variables in a contingency table. The goal is to see if the two variables are unrelated (independent) or related (dependent). The null and alternative hypotheses for this test are:
H0: The two variables (factors)...
CNS Depressants: Alcohol and Nicotine01:27

CNS Depressants: Alcohol and Nicotine

Ethanol, a clear colorless alcohol, has been consumed by humans for millennia, but its effects on the body are far from benign. At lower doses, it induces decreased inhibitions and loquaciousness, leading to its social appeal. However, it can cause severe consequences at higher doses, such as coma and respiratory depression, due to its zero-order elimination kinetics. Chronic ethanol abuse wreaks havoc on multiple organ systems, particularly the CNS and the liver. Abrupt cessation of ethanol...
Substance Use Disorders Affecting Sleep01:24

Substance Use Disorders Affecting Sleep

Substance use disorders involve a pattern of using drugs more extensively than intended and continuing use despite harmful consequences. This includes legal substances like alcohol and nicotine, as well as illegal drugs. These disorders often involve both physical and psychological dependence, reflecting compulsive use of substances that significantly alter thoughts, feelings, and behaviors, contributing to a major public health issue.
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Depressants

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Stress Prevention and Stress Management Techniques IV01:26

Stress Prevention and Stress Management Techniques IV

Stress often leads to unhealthy habits like smoking, excessive drinking, and overeating, which offer short-term relief but ultimately increase long-term health risks. These behaviors create a cycle that temporarily lowers stress levels but can result in severe long-term health consequences. Breaking these habits is essential to reduce the risk of chronic diseases and improve overall well-being. Three primary changes that support better health include quitting smoking, reducing alcohol intake,...
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Continuous fermentation is a key strategy in industrial ethanol production, particularly when efficiency, scalability, and high yields are essential. This approach allows for uninterrupted operation and optimized resource utilization. The primary feedstock, corn starch, undergoes enzymatic hydrolysis facilitated by α-amylase and glucoamylase. These enzymes break down the starch into fermentable sugars such as glucose, which are readily assimilated by fermentative microorganisms.Fermentation...

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Conversation with Don Cahalan.

British journal of addiction·1989
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The making of a sociomedical scientist (Jack Elinson).

Social science & medicine (1982)·1989
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Studying drinking problems rather than alcoholism.

Recent developments in alcoholism : an official publication of the American Medical Society on Alcoholism, the Research Society on Alcoholism, and the National Council on Alcoholism·1987
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What I would most like to know. Why does the alcoholism field act like a ship of fools?

The British journal of addiction to alcohol and other drugs·1979
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Westminster Tombstone.

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Related Experiment Video

Updated: Jul 11, 2026

The Motivation for Alcohol Reward: Predictors of Progressive-Ratio Intravenous Alcohol Self-Administration in Humans
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Published on: April 28, 2022

Quantifying alcohol consumption: patterns and problems

D Cahalan

    Circulation
    |September 1, 1981
    PubMed
    Summary
    This summary is machine-generated.

    Drinking behavior

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    Area of Science:

    • Epidemiology
    • Cardiovascular Disease Research
    • Behavioral Science

    Background:

    • Population studies increasingly use drinking behavior to predict heart disease development.
    • The link between drinking and mortality may be influenced by lifestyle factors, not solely alcohol consumption.
    • Accurate measurement of drinking behavior is crucial for precise mortality prediction.

    Purpose of the Study:

    • To summarize implications of recent population studies on drinking behavior and heart disease prediction.
    • To highlight the role of lifestyle in the association between drinking and mortality.
    • To propose a plan for large-scale longitudinal studies for health problem prediction.

    Main Methods:

    • Review and synthesis of recent population studies.
    • Analysis of the association between drinking behavior, lifestyle, and mortality.
    • Development of a framework for future large-scale longitudinal studies.

    Main Results:

    • The association between drinking behavior and mortality is significantly influenced by characteristic lifestyles.
    • Current measurements of drinking behavior may lack the precision needed for accurate mortality prediction.
    • There is a need for improved validation studies to enhance measurement accuracy.

    Conclusions:

    • Lifestyle factors are as important as drinking behavior itself in predicting mortality.
    • Enhanced measurement of drinking behavior is essential for improving prediction models.
    • Collaborative, large-scale longitudinal studies are recommended for predicting heart disease and other health issues.