Lena Savoie
Alcohol is the most commonly used drug among US adults and has been widely used in many cultures for centuries. However, it is associated with significant health risks and harmful social impacts. Alcohol abuse can lead to intimate partner violence, family financial problems, impaired decision-making skills, and child neglect and abuse. It also affects the workplace, with alcohol dependence leading to increased sick leave and injury-related absences. The economic costs of alcohol abuse are substantial, with lost productivity and healthcare costs amounting to billions. Alcohol consumption is a major contributing factor to injuries, violence, suicides, and health conditions such as liver disease, heart disease, and cancer. With far-reaching consequences for individuals, families, communities, and society as a whole, it is essential to address the factors that encourage alcoholism and implement effective interventions to mitigate its harmful effects.
| Characteristics | Values |
|---|---|
| Alcohol use disorder | Craving the next drink, impaired ability to stop or control alcohol use, giving up important activities, drinking in hazardous situations, withdrawal symptoms, high tolerance |
| Alcohol addiction | Euphoria, reduction of anxiety, easing of social interactions, compulsive drinking, negative emotional state when unavailable, impaired executive function |
| Risk factors | Family history, genetics, mental health conditions, history of trauma, stress, environmental factors, psychological factors |
| Treatment | Medication, behavioural therapy, mutual-support groups, detoxification, alcohol counselling, talk therapy |
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What You'll Learn
Alcohol's effects on the brain
Alcohol is a toxin that is readily available everywhere, from bars and restaurants to people's homes. Social drinking is a popular way to socialise, relax, and celebrate special occasions. Drinking alcohol is considered an integral part of many cultures, and it has been a part of human civilisation for millennia.
While social drinking is considered a low-risk activity, it can be dangerous for people in recovery from alcohol use disorder. Social drinking can also lead to increased tolerance and a desire to drink more. Problem drinking involves drinking alone and turning to alcohol when bored or lonely. It is a long process that involves many factors, and it can lead to alcoholism.
Alcohol has a significant impact on the brain. Even a small amount of alcohol can alter one's reaction time, behaviour, and judgment. During the early stages of drinking, the brain releases more dopamine, a chemical linked to pleasure. This results in a feeling of relaxation and confidence, but it can also impair reasoning and memory. As the amount of alcohol consumed increases, the effects become more pronounced, affecting the occipital lobe, temporal lobe, and frontal lobe, leading to blurred vision, slurred speech, and lack of control, respectively.
Long-term heavy drinking causes alterations in the neurons, including reductions in their size, and can lead to progressive changes in the structure and function of the brain. These changes can compromise brain function and drive the transition to chronic misuse, leading to alcohol use disorder (AUD). Alcohol interferes with the brain's communication pathways and affects the way the brain looks and works, making it harder for brain areas controlling balance, memory, speech, and judgment to function properly. This results in a higher likelihood of injuries and other negative outcomes, such as car accidents, violence, and sexually transmitted diseases.
Excessive drinking is linked to an increased risk of dementia and other mental health problems such as depression and anxiety. It can also increase the risk of developing certain cancers. Prenatal alcohol exposure can cause brain damage and lead to a range of developmental, cognitive, and behavioural problems in children. Alcohol abuse can also result in Wernicke-Korsakoff syndrome (WKS), characterised by amnesia, extreme confusion, and eyesight issues. However, it is important to note that within a year of stopping drinking, most cognitive damage can be reversed or improved.
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Genetic and environmental factors
Alcohol use disorder (AUD) is a common medical condition characterised by an impaired ability to stop or control alcohol use despite adverse social, occupational, or health consequences. While the specific causes are still unknown, researchers have identified several factors that increase the risk of developing AUD, including genetic and environmental factors.
Genetic Factors
Genetics play a significant role in the development of AUD, with hereditability accounting for approximately 50% of a person's overall risk. Certain genes have been found to be associated with alcohol misuse, and these genes can be inherited from one's parents. However, it is important to note that having these genes does not guarantee that a person will develop AUD. The National Institute on Alcohol Abuse and Alcoholism (NIAAA) reports that a person's genetic makeup accounts for roughly half of their risk for developing AUD, while the other half is influenced by environmental factors.
Adoption and twin studies have provided strong evidence for the role of genetics in AUD. Adoption studies show that alcoholism in adoptees is more strongly correlated with their biological parents than their adoptive parents. Twin studies in the US and Europe suggest that 45-65% of the liability for AUD is due to genetic factors. Additionally, animal studies have demonstrated that mice and rats can be selectively bred for traits associated with alcohol dependence, further emphasising the genetic basis for AUD.
Environmental Factors
While genetics play a significant role, environmental factors also heavily influence the development of AUD. These factors include the social and environmental exposures a person encounters throughout their life, particularly during childhood. For example, living with parents who drink alcohol and encourage or pressure their children to drink can increase the risk of developing AUD. Other environmental factors include living in an unhealthy environment, which can negatively impact an individual's decisions regarding alcohol consumption.
Additionally, the interplay between genetics and environment is crucial. For instance, the ALDH2*504K allele has been shown to have a protective effect against AUD, but this protection can be overridden by societal circumstances. In Japan, the protective effect of this allele declined during a period of increasing social pressure for drinking in business culture. This demonstrates how environmental and social factors can influence the genetic predisposition for AUD.
In summary, both genetic and environmental factors contribute to the development of AUD. While a person may have a genetic predisposition, recognising and modifying corresponding behaviours can help mitigate the inherent risks associated with AUD.
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Alcohol dependence and withdrawal
Alcohol dependence, or alcohol use disorder (AUD), is a common medical condition characterised by an impaired ability to stop or control alcohol use despite adverse social, occupational, or health consequences. People with AUD may continue to drink even when it damages their personal relationships, puts their safety at risk, or affects their health. They may also give up important social, work, or recreational activities because of alcohol. AUD can be mild, moderate, or severe, and it is considered a brain disorder.
AUD is associated with an increased risk of developing other psychiatric conditions, including depression, post-traumatic stress disorder, and attention deficit hyperactivity disorder. Additionally, people with a history of childhood trauma are more vulnerable to developing AUD. Genetics also plays a role, with hereditability accounting for approximately 60% of the risk.
Withdrawal symptoms can occur when a person who has been drinking regularly suddenly stops or significantly reduces their alcohol intake. These symptoms can range from mild to severe and include headache, mild anxiety, insomnia, hallucinations, seizures, fever, severe confusion, irregular heartbeats, and delirium tremens. Delirium tremens is a severe form of alcohol withdrawal that can be life-threatening, with about 5% to 10% of people experiencing this complication dying from it.
The severity and length of alcohol withdrawal vary depending on several factors, including body chemistry, coexisting physical or mental health conditions, medications, and the use of other substances. However, a general timeline for withdrawal symptoms includes mild symptoms appearing within 6 to 12 hours after the last drink, with more severe symptoms, such as hallucinations, occurring within 24 hours. Symptoms typically peak and begin to resolve between 24 to 72 hours after the last drink for most people with mild to moderate withdrawal. However, for those with severe or complicated withdrawal, the risk of seizures is highest within this timeframe.
Treatment for AUD and alcohol withdrawal includes medication, behavioural therapy, group psychotherapy, and mutual-support groups. Three medications have been approved by the U.S. Food and Drug Administration to help reduce drinking and prevent a return to drinking: naltrexone, acamprosate, and disulfiram. These medications are non-addictive and can be used alone or in combination with behavioural treatments. Behavioural treatments aim to change drinking behaviour through brief interventions, reinforcement approaches, motivation-building, coping skills training, and mindfulness-based therapies. Mutual-support groups provide peer support for stopping or reducing drinking and are typically low or no cost.
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Treatment options
Medication
There are medications available that can help people stop or reduce their drinking and prevent a return to drinking. Naltrexone (oral and long-acting injectable), acamprosate, and disulfiram are three medications currently approved by the U.S. Food and Drug Administration to help with alcohol dependence. These medications are non-addictive and can be used alone or in combination with behavioral treatments or mutual-support groups.
Behavioral Therapy
Also known as alcohol counseling or talk therapy, behavioral therapy is provided by licensed therapists and aims to change drinking behavior. Examples include brief interventions, reinforcement approaches, treatments that build motivation and teach skills for coping and preventing a return to drinking, and mindfulness-based therapies. Cognitive Behavioral Therapy (CBT) is a proven method for alleviating the burdens of alcoholism. The basic premise of CBT is to identify negative thoughts and behaviors and replace them with positive ones. Dialectical Behavioral Therapy (DBT) is another type of evidence-based talk therapy that assumes everything is connected, the world constantly changes, and opposite elements may synthesize into a greater truth.
Mutual-Support Groups
Mutual-support groups provide peer support for stopping or reducing drinking. Group meetings are available in most communities at low or no cost and at convenient times and locations, including online.
Psychotherapy
Psychotherapy involves having a conversation with a trained psychologist about one's problems and experiences. This can take place in a one-on-one, group, or family setting. Psychotherapy allows a psychologist to formulate a mental health diagnosis based on psychoanalysis.
Counseling
In counseling, motivational interviewing (MI) is a method for encouraging patients to overcome ambivalence, set direct goals for self-improvement, and stay motivated to realize them. MI is a popular technique for treating substance abuse disorders because it infuses people with the willpower to take action against their addiction.
Yoga and Meditation
Yoga and meditation can be beneficial techniques for managing cravings and staying focused during recovery. Studies have indicated that yoga and meditation can function as therapy for people with substance use disorders, especially if led by a mental health professional and supplemented with other treatments.
Aftercare
Aftercare programs are designed to give individuals ongoing assistance and continued support to maintain long-term sobriety after completing a rehabilitation program.
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Identifying alcohol use disorder
Alcohol use disorder (AUD), also known as alcoholism, is a common medical condition characterised by a problematic pattern of alcohol use that leads to clinically significant impairment or distress. It is diagnosed as mild, moderate, or severe based on the number of symptoms exhibited over the past 12 months.
People with AUD have an impaired ability to stop or control their alcohol consumption despite adverse social, occupational, or health consequences. They may drink despite the damage it causes to their relationships or plan their lives around their next drink. AUD can lead to physical issues like craving alcohol or experiencing alcohol withdrawal symptoms such as trouble sleeping, shakiness, restlessness, nausea, sweating, a racing heart, dysphoria, malaise, feeling low, or seizures.
Genetics play a significant role in the development of AUD, with hereditability accounting for approximately 60%. Individuals with a family history of alcohol problems or parents who exhibit harmful drinking patterns are at an increased risk of developing AUD. Additionally, mental health conditions and a history of trauma are associated with a higher risk of AUD.
To identify AUD, healthcare professionals use criteria from the Diagnostic and Statistical Manual of Mental Disorders, Fifth Edition (DSM-5). Some of the key symptoms and behaviours indicative of AUD include:
- Craving beverages containing alcohol or experiencing a strong urge to consume alcohol
- Drinking more or for longer periods than intended
- Unsuccessfully attempting to cut down or control alcohol intake
- Alcohol interfering with responsibilities at home, work, or school
- Continuing to drink despite problems with family and friends
- Giving up important social, recreational, or occupational activities due to alcohol use
- Using alcohol in physically hazardous situations
- Developing a high tolerance for alcohol, requiring increased amounts to achieve the desired effect
- Experiencing withdrawal symptoms when reducing or ceasing alcohol consumption
It is important to note that drinking, even small amounts daily, and occasional intoxication do not solely constitute a diagnosis of AUD. A comprehensive assessment by a healthcare professional is necessary to determine the presence and severity of AUD.
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Frequently asked questions
Alcohol, like other drugs, has a powerful effect on the brain, producing pleasurable feelings and blunting negative ones. These feelings can motivate some people to drink alcohol again and again, despite possible risks to their health and well-being. This is known as alcohol addiction or Alcohol Use Disorder (AUD). If you are concerned about your alcohol consumption, you should consult a medical professional.
Alcoholism is a physical compulsion coupled with a mental obsession to consume alcohol. Signs that you are becoming dependent on alcohol include needing to drink more to get the same effect, giving priority to drinking over other activities or obligations, and experiencing physical withdrawal symptoms when you stop drinking. If you are concerned about your alcohol consumption, you can take a screening test such as the CAGE Alcohol Assessment, MAST Alcohol Assessment, or AUDIT Alcohol Assessment to better understand your drinking habits.
There is no single cause of alcoholism, and it can vary from person to person. However, some risk factors include genetics, family history, mental health conditions, history of trauma, and environmental and psychological factors.
If you think you might have an alcohol dependence problem, you should consult a medical professional or a local self-referral alcohol or substance use support service. Treatment for Alcohol Use Disorder includes medication, behavioural therapy, mutual-support groups, and detoxification under medical supervision. Studies show that most people can reduce their alcohol consumption or stop drinking entirely with treatment.
