What Alcohol Does to Your Body
- Medically Reviewed By: Megan Fisher, LCSW
- Reviewed On:
Alcohol can affect nearly every organ in your body, including your brain, liver, heart, and digestive system. The risks generally increase with how much and how often you drink, and long-term heavy drinking can cause serious health problems.
If you’re worried about how alcohol may be affecting your health, an addiction treatment center can help you understand your options.
Learn more about how to stop drinking alcohol and when to consider professional support through alcohol addiction treatment.
How Does Alcohol Affect the Brain?
Alcohol is a central nervous system depressant. It changes how your brain cells communicate, which can affect your judgment, coordination, reaction time, and memory.
Short-term, drinking alcohol can cause:
- Slurred speech
- Impaired coordination
- Difficulty making decisions
Long-term alcohol misuse can also change your brain’s structure and function, leading to:
- Problems with memory
- Trouble concentrating
- Mood swings
- Cognitive impairment and neurological problems
If you’re experiencing any mental health challenges in addition to alcohol use, dual diagnosis care may help address any underlying causes.
How Does Alcohol Affect the Liver?
Your liver plays a central role in breaking down alcohol. Repeated heavy drinking can damage liver cells and interfere with normal liver function.
Alcohol-related liver disease can progress through several stages:
- Fatty Liver: Fat builds up in liver cells in this early stage, which may improve when alcohol use stops.
- Alcohol-Related Hepatitis: Inflammation damages liver tissue and can become severe.
- Cirrhosis: Long-term damage causes permanent scarring that prevents the liver from working properly.
Not everyone with alcohol-related liver disease develops cirrhosis. However, continued heavy drinking increases the risk of serious and potentially permanent damage.
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How Does Alcohol Affect the Heart?
Heavy or repeated alcohol use can raise your blood pressure and strain the cardiovascular system. It can also cause irregular heart rhythms, known as arrhythmias.
Long-term heavy drinking may weaken the heart muscle through alcoholic cardiomyopathy. This condition makes it harder for the heart to pump blood effectively.Alcohol use is also associated with a higher risk of stroke and other cardiovascular problems.
What Does Alcohol Do to the Digestive System?
Alcohol can irritate the stomach and digestive system. Heavy drinking may contribute to gastritis, ulcers, acid reflux, and other digestive problems.
Alcohol can also interfere with absorption, making it more likely for your body to not absorb important nutrients. Long-term alcohol use can damage the pancreas and increase the risk of pancreatitis, a painful inflammation that interferes with digestion.
How Does Alcohol Affect the Immune System?
Heavy alcohol use can weaken the immune system and make it harder for the body to fight infections. It can also interfere with the body’s ability to recover from illness and heal from injuries.
People who drink heavily may face a higher risk of certain infections, including pneumonia and other serious illnesses.
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What Are the Long-Term Health Risks of Heavy Drinking?
The effects of alcohol can build over time. Long-term heavy drinking can increase the risk of:
- Liver disease and cirrhosis
- High blood pressure and heart disease
- Stroke and irregular heart rhythms
- Certain cancers
- Pancreatitis
- Brain and cognitive problems
- Kidney problems
Alcohol is also linked to several types of cancer, including breast, colorectal, liver, mouth, throat, and esophageal cancers.
Can the Body Recover After Stopping Alcohol Use?
Many effects of alcohol can improve after drinking stops. Fatty liver disease may improve, and blood pressure and other measures of health may get better over time. Brain function, mood, sleep, and cognitive abilities may also improve with sustained sobriety.
Some damage, including advanced cirrhosis and certain types of nerve damage, may be permanent. Getting help sooner limits further damage and improves your chances of recovery.
If you drink heavily or regularly, talk with a healthcare professional before stopping suddenly. Alcohol withdrawal can be dangerous for some people and may require medical support.
What Are the Signs Alcohol Is Affecting Your Health?
Physical symptoms can be a reason to talk with a healthcare professional, especially if they appear after drinking heavily or when you stop drinking. Other warning signs include:
- Drinking more than intended
- Struggling to cut back on alcohol
- Experiencing alcohol cravings
- Continuing to drink alcohol despite health or other problems it causes
These patterns may indicate alcohol use disorder and can signal a need for professional support.
Get Support for Alcohol Addiction at Crossroads Healing Centers
If alcohol use is affecting your health or daily life, support is available. Crossroads Healing Centers offers treatment for people who want help addressing alcohol addiction and moving toward recovery.
Learn more about alcohol addiction treatment or contact us today to discuss your options.
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Frequently Asked Questions
How quickly does alcohol affect the body?
Alcohol enters the bloodstream quickly and can begin affecting the brain and nervous system soon after drinking. Effects can include changes in judgment, coordination, reaction time, and mood.
How much alcohol is harmful to your health?
Alcohol-related risk varies based on how much and how often you drink, as well as individual health factors. In general, drinking less reduces alcohol-related health risks. Binge drinking and heavy drinking carry greater risks for immediate harm and long-term health problems.
Can Alcohol Increase Your Risk of Cancer?
Yes. Alcohol increases the risk of several cancers, including breast, colorectal, liver, mouth, and throat cancers. The risk generally increases as alcohol consumption increases.
Sources:
- Alcohol’s Effects on Health – National Institute on Alcohol Abuse and Alcoholism (NIAAA)
- Alcohol Use and Your Health – Centers for Disease and Prevention (CDC)
- Alcohol and Cancer Risk – U.S. Department of Health and Human Services (HHS)
- Effects of Alcohol Consumption on Various Systems of the Human Body: A Systematic Review — PubMed/NLM
