Arielle Cruz
The first sip of alcohol can be an awakening experience, with the substance quickly entering your bloodstream and travelling to every part of your body. Alcohol is a central nervous system depressant, and its effects are felt most strongly in the brain, kidneys, lungs, and liver. The impact of alcohol on your body depends on various factors, including age, gender, weight, and type of alcohol consumed. The experience of drinking alcohol can be enjoyable for some, but it's important to remember that it is a drug that can influence your mood and behaviour, and excessive consumption or misuse can have negative short-term and long-term health consequences.
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What You'll Learn
The immediate effects of alcohol on the body
Alcohol abuse and increasing alcohol consumption can lead to alcoholism, where one becomes dependent on alcohol to function. This can put one at risk of serious conditions, including liver damage. The severity of the short-term effects of alcohol typically depends on how much a person drinks, but other factors such as hydration and food consumption also play a role. Binge drinking, or drinking heavily over a short period, may result in a hangover, alcohol poisoning, or accidents and violence. The next day, one might experience dehydration, headaches, nausea, or increased anxiety.
Alcohol prevents the kidneys from being able to reabsorb water, causing the bladder to fill with fluid and the body to become dehydrated. Alcohol vapour within the airway can cause damage to the lungs, nasal passages, and sinuses. Long-term drinking can impact immune cells involved in fighting off respiratory diseases, increasing the risk of developing pneumonia, respiratory syncytial virus (RSV) infections, and acute respiratory distress syndrome (ARDS).
Alcohol irritates the gastrointestinal tract, inflaming and irritating the stomach. Chronic drinking can damage the oesophageal tissue, making it painful to swallow. Alcohol decreases saliva production, reducing defences against bacteria and plaque, which can lead to oral cavities and gum disease. Alcohol can also cause acid reflux and heartburn.
Heavy and long-term alcohol consumption can cause reproductive disorders and impact bone quality, risking osteoporosis. Alcohol consumption can cause facial flushing as blood vessels dilate and blood flow increases. Alcohol abuse can lead to weight gain and obesity, and it interferes with neurotransmitters, lowering brain activity and energy levels. Alcohol-related brain damage can affect memory and learning.
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The impact of drinking on an empty stomach
Drinking alcohol on an empty stomach can have several effects on the body. Firstly, it is important to understand what is considered a "standard drink". Different beers, wines, and liquors can have different alcohol contents. Drinks with higher alcohol content will have a stronger effect on the body. A standard drink equates to about 12 ounces of regular beer at 5% alcohol content, 8–9 ounces of malt liquor at 7% alcohol, 5 ounces of wine at 12% alcohol, or 1.5 ounces of distilled spirits with 40% alcohol.
When alcohol is consumed, it enters the bloodstream after passing through the stomach and intestines. About 20% of alcohol is absorbed through the stomach lining, while the remaining 75-80% is absorbed through the small intestine. When there is food in the stomach, the rate of alcohol absorption slows down. Food in the stomach and intestines slows down the process of alcohol entering the bloodstream. However, when drinking on an empty stomach, the alcohol passes through the stomach and intestines more quickly, intensifying the side effects of drinking, such as the ability to think and coordinate body movements. This can lead to an increased risk of accidents and injuries.
Drinking large amounts of alcohol on an empty stomach can be very dangerous. The body can struggle to process the alcohol, leading to a rapid increase in blood alcohol concentration (BAC). A high BAC can cause alcohol poisoning, with levels above 0.4% being potentially fatal. Additionally, drinking on an empty stomach can increase the risk of dehydration, as there is no food to help retain water, and the diuretic effects of alcohol can cause a rapid loss of body fluids. Dehydration can lead to an electrolyte imbalance, causing problems such as muscle weakness and difficulty regulating heart rate.
Drinking on an empty stomach can also increase the risk of hypoglycemia, especially in individuals with diabetes. The liver focuses on processing alcohol instead of maintaining blood sugar, and drinking on an empty stomach can further lower blood sugar levels. Symptoms of hypoglycemia, such as drowsiness, slurred speech, confusion, and nausea, can mimic the effects of alcohol intoxication, making it difficult to differentiate between the two conditions.
To drink more safely, it is recommended to eat at least an hour before consuming alcohol and to limit consumption to one standard drink per hour. Choosing lower-alcohol beverages, diluting drinks with water or other non-alcoholic liquids, and drinking water alongside alcoholic beverages can also help to reduce the concentration of alcohol in the system.
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Alcohol's influence on mood and behaviour
Alcohol is a psychoactive substance that can significantly alter our mood and behaviour. When we drink alcohol, our bodies produce extra dopamine, which travels to the parts of the brain known as the 'reward centres', making us feel good and encouraging us to drink more. However, as we continue drinking, the positive effects of alcohol are replaced by negative ones, such as confusion, clumsiness, nausea, and dehydration.
In the long term, regular drinking can lead to a decrease in dopamine production, resulting in a low mood and potentially contributing to depression. Alcohol is often used as a coping mechanism to manage stress and anxiety, providing a temporary feeling of relaxation and reduced anxiety. However, long-term drinking can worsen anxiety and increase the risk of developing mental health problems.
The chemical changes caused by alcohol in the brain can lead to negative feelings such as anger, depression, or anxiety. Alcohol also slows down the brain's information processing, making it challenging to understand our emotions and the potential consequences of our actions. This disinhibiting effect of alcohol can lead to impulsive behaviour, such as singing loudly or talking too much, or more serious consequences like saying something hurtful or attempting to drive under the influence.
Additionally, alcohol misuse can have detrimental effects on the body, including the peripheral nervous system, endocrine system, and liver. It increases the risk of heart arrhythmias, hypotension, diarrhoea, and erectile dysfunction. Heavy drinking is also associated with an increased risk of acute respiratory distress syndrome, bacterial pneumonia, and other health conditions. Alcohol can disrupt the balance of neurotransmitters in the brain, affecting feelings, thoughts, and behaviour, and can lead to alcohol dependence.
While alcohol may provide a temporary boost in mood and a release from inhibitions, its influence on our mood and behaviour can be complex and far-reaching. The initial positive effects can give way to negative consequences, and long-term use can impact our mental and physical health. Understanding alcohols' influence on our mood and behaviour is crucial for managing drinking habits and maintaining overall well-being.
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How alcohol affects children and young people
Alcohol is a drug, and it is the drug most abused by teens. Many children have their first drink at an early age, some as young as 10 or 11, or even younger. It's easy for kids to misinterpret messages about alcohol. They might see their parents drinking or watch TV commercials that make drinking look fun. They might see people drinking while socialising or at a party. However, alcohol is a depressant, a drug that slows down or depresses the brain. It changes a person's ability to think, speak, and perceive things accurately. A person might lose their balance and have trouble walking properly. They might feel relaxed and happy and then suddenly start crying or get into an argument. When people drink too much, they might do or say things they don't mean.
Drinking alcohol is dangerous for kids and teens and sometimes even for adults. There is no safe level of alcohol consumption for children and young people under the age of 18. Research suggests that even with supervised alcohol consumption in the home, early alcohol use can lead to harmful drinking practices in adolescence and later in life. Drinking at a young age can lead to alcohol problems later on. Teens who drink are more likely to have unprotected sex and experience problems in school. Drinking can also negatively impact athletic performance and cause long-term brain changes.
Young people who drink excessively can do serious damage to their bodies, especially their livers, which remove poisons from the blood. Over time, alcohol abuse can lead to liver problems, as well as damage to the pancreas, heart, and brain. Drinking too much alcohol can lead to alcohol poisoning, which can be fatal. Additionally, alcohol can increase the risk of accidents, such as car crashes, and contribute to indirect deaths through heart failure, homicide, suicide, and unintentional causes.
Parents play a significant role in influencing their children's choices about drinking. It is important for parents to set a good example by drinking responsibly or not drinking at all, not using alcohol as a coping mechanism, and never driving after drinking. Regular and honest conversations about alcohol can help children make informed decisions. It is crucial to be clear that you do not want your child to drink alcohol and to establish rules and expectations, such as checking in when they are away from home. If you suspect your child has been drinking, don't ignore it, and seek help if needed.
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The short and long-term health consequences of alcohol misuse
Alcohol misuse can have a range of adverse health consequences in both the short and long term. Drinking alcohol affects everyone differently, depending on factors such as the amount consumed, health, age, and other variables. Generally, the more you drink, the higher your risk of harm from alcohol.
Short-term health consequences
After consuming 1 to 2 units of alcohol, your heart rate speeds up and your blood vessels expand, giving you the warm, sociable, and talkable feeling associated with moderate drinking. After 4 to 6 units, alcohol starts to affect your brain and nervous system, impairing judgement and decision-making, causing reckless and uninhibited behaviour, and affecting your reaction time and coordination. Binge drinking (consuming a lot of alcohol in one session or a short period) can be particularly harmful and risky, increasing the likelihood of accidents, injuries, violence, unsafe sex, and social and behavioural issues.
Long-term health consequences
Long-term alcohol misuse can have severe consequences for the body and brain. It can cause nerve damage, including peripheral neuropathy, which can lead to numbness in the arms and legs and painful burning in the feet. Alcohol misuse can also damage the heart, weakening the heart muscle and causing cardiomyopathy, high blood pressure, irregular heartbeat, and increased heart rate. Additionally, it can contribute to endocrine system disruption, affecting hormones that maintain the body's stability and health, and leading to conditions such as thyroid diseases, abnormal cholesterol levels, reproductive dysfunction, and stress intolerance.
Long-term heavy drinking is also associated with an increased risk of several types of cancer, including stomach, bowel, breast, mouth, throat, oesophageal, and liver cancer. It can further cause pancreatitis, a dangerous inflammation of the pancreas that can become chronic and increase the risk of pancreatic cancer and diabetes. Alcohol misuse can weaken the immune system, making individuals more susceptible to serious infections and diseases. It can also have social implications, impacting interpersonal relationships, the ability to work, and socio-economic status.
Excessive alcohol consumption can also lead to alcohol addiction, characterised by a strong craving for alcohol and continued use despite negative consequences. Withdrawal from alcohol can be challenging and should be carefully planned and medically supervised, as symptoms can be severe and include tremors, agitation, convulsions, and delirium tremens, requiring immediate medical attention.
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