Common Misconceptions About Alcohol: Debunking Myths About Drinking

Last Updated: May 10, 2024

Editorial Policy | Research Policy

Key Takeaways

  • Alcohol acts as a vasodilator, which can give a false sense of warmth and increase the risk of hypothermia.
  • The sequence of different alcoholic beverages does not significantly alter the body’s absorption or metabolization of alcohol.
  • Drinking pace and alcohol concentration are critical in determining the level of intoxication.
  • Caffeine can make a person feel more alert but does not accelerate the breakdown of alcohol in the body.
  • Eating before drinking can slow alcohol absorption but does not prevent intoxication.
  • The order of consuming different types of alcohol does not affect hangover severity.
  • Alcohol does not improve sleep quality and can disrupt the sleep cycle, especially REM sleep.
  • Using alcohol as a sleep aid can lead to insomnia symptoms and less restorative sleep.

Debunking the ‘Alcohol Warms You Up’ Myth

Despite the widely held belief that alcohol consumption can warm the body, scientific evidence suggests the opposite effect occurs. When alcohol enters the system, it acts as a vasodilator, meaning it expands blood vessels, which can lead to a temporary sensation of warmth, commonly referred to as the ‘beer blanket’ phenomenon. However, this fleeting feeling of warmth is misleading as it results from warm blood moving closer to the surface of the skin, giving a false impression of heat while the core body temperature actually drops.

As vasodilation occurs, the body’s natural thermoregulatory responses are disrupted, leading to increased heat loss and a potential drop in core body temperature. The initial feeling of warmth may cause an individual to underestimate the cold, increasing the risk of hypothermia, particularly in cold environments. Live Science and interviews with medical experts, such as those from Novant Health, reinforce the notion that alcohol’s effect on the body’s temperature control can be dangerous and should not be relied upon for warmth.

Moreover, the concept that alcohol warms the body has been refuted by various health organizations, including the Naked Scientists and the National Institute on Alcohol Abuse and Alcoholism, emphasizing the importance of recognizing the physiological changes induced by alcohol and the potential health risks associated with its consumption in cold temperatures.

Understanding How Alcohol Influences Body Temperature

Alcohol is widely known for creating a deceptive sensation of warmth. However, contrary to the common belief that alcohol can heat up the body, scientific evidence demonstrates that it actually lowers core body temperature. This paradox is due to alcohol’s vasodilatory effects, which cause blood vessels near the skin’s surface to dilate, leading to increased blood flow and a temporary feeling of warmth.

According to Live Science, the flushed cheeks and sweating observed in individuals who have been drinking are superficial signs that do not reflect an increase in overall body temperature. In fact, by diverting blood to the periphery of the body, alcohol can cause a drop in the internal core temperature, making individuals more susceptible to hypothermia in cold conditions.

Furthermore, research published in the American Journal of Physiology reveals that alcohol consumption can disrupt the body’s natural thermoregulatory processes. The study found that while alcohol may induce a slight hyperthermic effect at night, overall, it reduces the amplitude of core body temperature’s circadian rhythm by a significant margin, therefore impacting the body’s ability to maintain a stable temperature.

Understanding this physiological response is crucial, especially during cold exposure, as it highlights the risks associated with consuming alcohol in such environments. The initial feeling of warmth may lead individuals to underestimate the cold, failing to protect themselves adequately and potentially putting them at risk of hypothermia.

Debunking the Myth: Mixing Alcohol Types and Intoxication Levels

The commonly held belief that mixing different types of alcohol leads to higher intoxication is not backed by scientific evidence. Instead, factors such as the total amount of alcohol consumed, the time span in which it is consumed, and the alcohol content of the drinks are the primary determinants of drunkenness. Popular sayings, like ‘beer before liquor, never been sicker’ and ‘liquor before beer, you’re in the clear,’ are more folklore than fact.

Research indicates that the sequence of different alcoholic beverages does not significantly alter the body’s absorption or metabolization of alcohol. It’s the rate of consumption and the ethanol concentration that are responsible for the effects of alcohol, which can range from mild euphoria and anxiolysis at lower concentrations, to motor and cognitive impairment, and sedation at higher levels. Binge drinking, or consuming excessive alcohol in a short period, tends to increase the body’s stress and leads to the unpleasant symptoms associated with hangovers, such as dehydration, nausea, and vomiting.

Moreover, the belief that stimulants like caffeine can counteract the depressive effects of alcohol is also misleading. Combining substances with opposing effects can lead to adverse health outcomes. In conclusion, mixing different types of alcohol does not inherently make one more drunk; it is the pattern of drinking behavior and the quantity of alcohol that are the crucial factors.

Influence of Alcohol Concentration and Drinking Pace on Intoxication

Understanding the intoxication process is vital for both responsible drinking and health education. Two significant factors at play are the alcohol content of beverages and the rate at which they are consumed. The alcohol content, or the volume of ethanol in a drink, directly correlates with the potential for intoxication: higher alcohol content typically leads to faster intoxication. This is due to the concentration of alcohol irritating the gastrointestinal tract, which slows down absorption, yet still results in a higher overall intake of alcohol into the bloodstream over a given period.

Meanwhile, the speed of consumption is equally critical. Drinking rapidly can overwhelm the body’s metabolic capacity, specifically that of the liver, which metabolizes alcohol at a rate of approximately one standard drink per hour. When alcohol is consumed more quickly than the liver can metabolize, it results in a higher blood alcohol concentration (BAC), leading to increased levels of intoxication and associated risks. Research has shown that patterns of rapid drinking correlate with more negative outcomes, highlighting the importance of pacing oneself while drinking.

It is essential for individuals and health professionals to recognize that while the quantity of alcohol consumed is a significant factor, the concentration of the alcohol and the speed at which it is drunk are decisive in determining the impact on the body and the likelihood of acute intoxication. Moderating both the strength of the drinks consumed and the pace of drinking can mitigate the risks associated with alcohol consumption.

Debunking the Myth: Does Coffee Actually Sober You Up?

It’s a widespread belief that drinking coffee can help sober up an individual who has consumed alcohol. However, the myth that caffeine, a key component of coffee, can counteract the effects of alcohol and aid in sobering up is not supported by scientific evidence. Caffeine may indeed make a person feel more alert, but it does not accelerate the breakdown of alcohol within the body. Studies and health experts agree that while caffeine can create a sensation of increased wakefulness, it does not equate to sobriety or the safe metabolization of alcohol.

One of the risks associated with consuming caffeine while intoxicated is that it can lead to a false sense of alertness. This misperception may encourage individuals to engage in activities such as driving, which require a level of coordination and judgment that remains impaired by alcohol. Research shows that although caffeine may help with some superficial symptoms of drunkenness, it does nothing to lower blood alcohol levels.

The only true way to sober up is to allow time for the body to metabolize the alcohol. On average, the liver can process approximately one standard drink per hour. Drinking water, resting, and simply giving it time are the best ways to sober up. Despite the popularity of the belief, relying on coffee as a quick fix to sobriety is both ineffective and potentially dangerous.

Understanding the Consequences of Mixing Caffeine and Alcohol

The combination of caffeine and alcohol is a common practice, particularly among young adults, yet it carries misconceptions and potential risks. While caffeine is a stimulant that can temporarily increase alertness, it does not counteract the intoxicating effects of alcohol. Instead, the presence of caffeine can mask the depressant nature of alcohol, leading individuals to feel more awake and less inebriated than they actually are. This misperception often results in increased alcohol consumption, as people might not realize their level of impairment, thereby elevating the risk of alcohol-related harms.

Scientifically, caffeine absorption occurs rapidly and is not notably altered by the co-ingestion of alcohol, but its ability to cross all biological membranes means that it can affect many bodily systems. For instance, both substances can induce a temporary rise in heart rate and blood pressure, which might compound cardiovascular stress. More concerning is the risk of atrial fibrillation or irregular heartbeat when mixing caffeine with alcohol, particularly for those with heart conditions.

Furthermore, habitual consumption of alcohol with caffeine can lead to a greater risk of developing alcohol dependence. The perceived need to drink more to achieve desired effects, due to the alertness provided by caffeine, can contribute to binge-like drinking behaviors and increase the likelihood of an alcohol use disorder.

It is crucial to understand that caffeine does not expedite the metabolization of alcohol nor does it reduce blood alcohol levels. Therefore, consuming caffeine while intoxicated does not sober up an individual, and the combination should be approached with caution to prevent unintended consequences.

Debunking the Myth: Does Eating Before Drinking Prevent Intoxication?

The belief that consuming a substantial meal before drinking alcohol can prevent intoxication is a widespread misconception. While it is true that eating, especially foods rich in protein, fat, and carbohydrates, can slow the absorption of alcohol into the bloodstream, it does not prevent intoxication. Scientific studies have shown that food can delay the speed at which alcohol reaches the small intestine, where most alcohol is absorbed, but ultimately, the total amount of alcohol ingested is what determines intoxication levels.

It’s important to clarify that eating before drinking may offer a temporary moderation of blood alcohol concentration (BAC) increases, leading to a slower onset of alcohol’s effects. However, this does not equate to the prevention of intoxication. Food in the stomach acts as a physical barrier, temporarily holding back the alcohol and releasing it more slowly into the small intestine. Therefore, while the presence of food can help to taper the absorption to a more manageable pace for the body, it does not eliminate the risk of becoming intoxicated if one consumes alcohol in large quantities.

Furthermore, experts note that factors such as the type of food consumed and individual metabolic rates can influence how much this slowing effect has an impact. For instance, greasy foods do not ‘coat the stomach’ as the myth suggests, but rather, the presence of any food can slow alcohol’s path to the bloodstream. In conclusion, while eating before drinking can mitigate the immediate impact, it is not a foolproof method to prevent intoxication, and responsible drinking practices should always be prioritized.

Understanding How Food Influences Alcohol Metabolism

Food intake has a significant impact on the metabolism of alcohol in the body, yet it does not necessarily prevent intoxication. When alcohol is consumed on an empty stomach, it is absorbed more quickly into the bloodstream, leading to faster intoxication. The presence of food, especially high-protein foods, can slow down this process by delaying the emptying of the stomach contents into the small intestine, where alcohol absorption is more rapid.

Alcohol metabolism primarily takes place in the liver through oxidative pathways involving enzymes such as alcohol dehydrogenase (ADH), cytochrome P4502E1 (CYP2E1), and catalase. ADH plays a predominant role in the conversion of alcohol to acetaldehyde, which is then further metabolized by aldehyde dehydrogenase (ALDH) to less harmful substances like acetate. The rate of these metabolic processes can be influenced by the frequency of alcohol consumption and genetic factors.

While food may slow the absorption of alcohol, it does not alter the body’s ability to metabolize alcohol once it enters the bloodstream. The liver can only process a certain amount of alcohol per hour, regardless of food intake. Consuming food may help mitigate some immediate effects of drinking, such as a rapid rise in blood alcohol concentration (BAC), but it does not prevent the liver from becoming overwhelmed by excessive alcohol consumption, which can lead to toxicity and damage.

It is important to note that alcohol disrupts the body’s normal metabolic processes, contributing to oxidative stress and changes in nutritional requirements. Chronic alcohol consumption can interfere with nutrient activation and absorption, leading to nutritional deficiencies and compounding liver damage over time.

Debunking the ‘Beer Before Liquor’ Hangover Myth

The adage ‘beer before liquor, never been sicker’ suggests that the order in which different types of alcohol are consumed can influence the severity of a hangover. This belief implies that drinking beer before switching to spirits might result in a worse hangover compared to drinking them in the reverse order. However, scientific evidence does not support this claim. Research by various health organizations, including the National Institute on Alcohol Abuse and Alcoholism (NIAAA), indicates that the sequence of alcoholic beverages does not correlate with hangover intensity.

Hangovers are more directly associated with the total amount of alcohol consumed and the body’s process of breaking down alcohol. Factors such as individual tolerance, age, sex, body weight, and hydration levels also impact hangover severity. One serving of beer typically contains a lower alcohol volume compared to spirits, but the overall alcohol content consumed throughout the evening is the primary determinant of a hangover. It is the peak blood alcohol level and the decline to zero that trigger hangover symptoms, not the order of drinks consumed.

Additionally, some studies, including one discussed on, have explicitly investigated this myth and found no substantial evidence to validate the claim that drinking beer before wine or liquor alters the severity of a hangover. Therefore, while the saying ‘beer before liquor, never been sicker’ is commonly cited, it is a myth not backed by scientific research.

Understanding Hangovers: Causes and Myths

Hangovers are a series of unpleasant physiological and psychological reactions following the consumption of alcohol. These symptoms typically emerge around 10 hours after blood alcohol concentration peaks and vary based on sex, weight, and genetic predisposition. Interestingly, not everyone is susceptible to hangovers; a small percentage of people may not experience them at all. Key factors contributing to a hangover include dehydration, as alcohol causes the body to produce more urine, and the production of acetaldehyde, a toxic byproduct of alcohol metabolism that is significantly more harmful than alcohol itself.

While many believe that the sequence of different types of alcoholic drinks consumed can influence hangover severity, scientific evidence suggests that it is the overall amount of alcohol and its subsequent impact on the body that determines the intensity of a hangover. The body’s pathways are affected by alcohol, which can lead to neuropathy or damage to peripheral nerves, and disrupt homeostasis. This leads to alterations in various hormones and metabolic functions, potentially causing symptoms like fatigue and cognitive impairment.

The myth of ‘hair of the dog,’ which implies that consuming more alcohol can alleviate hangover symptoms, is debunked by science. This approach does not address the underlying causes of hangovers, such as acetaldehyde toxicity and hormonal imbalances. Despite the numerous purported remedies ranging from food and caffeine to herbal supplements and vitamins, a definitive cure for hangovers remains elusive. As such, the most effective way to prevent a hangover is to monitor and limit alcohol intake.

The Misconception of Alcohol as a Sleep Aid

Contrary to popular belief, alcohol does not aid in improving sleep quality. Although alcohol is a sedative and may help people fall asleep quicker, it significantly disrupts the sleep cycle as the night progresses. Studies and medical experts have highlighted that alcohol consumption before bedtime can lead to increased sleep fragmentation and a reduction in the overall quality of sleep. This is especially true during the second half of the night when alcohol’s sedative effects wear off, leading to more frequent awakenings and a heightened sense of restlessness.

Experts from the American Academy of Sleep Medicine and other reputable institutions, the Perelman School of Medicine, have observed that alcohol may cause initial drowsiness but ultimately compromises the restorative stages of sleep, including REM sleep. Moreover, alcohol acts as a diuretic, increasing the need to urinate during the night, which can further interrupt sleep.

Research from the National Center for Biotechnology Information (NCBI) and the Sleep Foundation confirms the correlation between alcohol consumption and sleep disturbances. It has been consistently found that alcohol increases the risk of sleep disorders such as sleep apnea. Additionally, women may experience the sleep-disrupting impacts of alcohol more significantly than men. It’s clear that while alcohol can initially promote drowsiness, it does not support sustained sleep quality, leading to a range of next-day consequences such as tiredness, fatigue, and decreased mental clarity.

Understanding How Alcohol Impacts Sleep Quality

Contrary to the common belief that alcohol aids in sleep, scientific research reveals a different story. Alcohol may initially promote sleepiness and reduce the time it takes to fall asleep, yet it ultimately leads to poorer quality sleep. Alcohol’s sedative effects can relax the muscles in the throat, exacerbating conditions like sleep apnea by causing the upper airway to collapse and reducing oxygen levels. This can worsen sleep disturbances, especially in individuals with pre-existing sleep disorders. Studies also indicate that habitual alcohol consumption before bedtime can result in insomnia symptoms, characterized by difficulty falling and staying asleep.

During the course of the night, as blood alcohol levels decrease, there is an increase in the lighter stages of non-rapid eye movement (NREM) sleep (stages N1 and N2), and a delayed onset of REM sleep, which is crucial for cognitive functions and memory. The disruption in REM sleep often leads to multiple awakenings and a decrease in sleep efficiency, which is the actual time spent sleeping compared to the total time in bed. Consequently, individuals may experience excessive sleepiness during the day. The Sleep Foundation further reinforces the view that alcohol, while seemingly a sleep inducer, can actually lead to a night of more fragmented and less restorative sleep.

Additionally, the cognitive aspects of insomnia may be exacerbated by alcohol intake. A person’s preoccupation with the consequences of poor sleep may lead to increased anxiety about sleeping, thus creating a problematic cycle. This indicates that using alcohol as a sleep aid is not only ineffective in the long-term but can also contribute to a range of sleep-related issues.


Can You Drink Rubbing Alcohol?

  • Toxicity: Rubbing alcohol, also known as isopropyl alcohol, is not safe for consumption. It is a potent chemical compound that is highly toxic when ingested.
  • Health Risks: Drinking rubbing alcohol can lead to severe poisoning and life-threatening complications. Symptoms may include nausea, vomiting, abdominal pain, dizziness, confusion, and even coma or death.
  • Medical Attention: If someone ingests rubbing alcohol, it is crucial to seek immediate medical attention. Treatment may involve supportive care to address symptoms and prevent further complications.

Drinking rubbing alcohol is extremely dangerous and should never be attempted under any circumstances.

Does Alcohol Cause Kidney Stones?

  • Dehydration: Alcohol consumption can contribute to dehydration, which is a risk factor for kidney stone formation. When the body is dehydrated, urine becomes more concentrated, increasing the likelihood of mineral crystallization in the kidneys.
  • Increased Urinary Calcium: Alcohol can also elevate urinary calcium levels, which may promote the formation of calcium-based kidney stones.
  • Moderation and Hydration: While moderate alcohol consumption may not directly cause kidney stones, excessive drinking can exacerbate dehydration and increase the risk. Maintaining adequate hydration and limiting alcohol intake can help reduce the risk of kidney stone formation.

While alcohol consumption alone may not directly cause kidney stones, it can contribute to dehydration and other factors that increase the risk of stone formation. Moderation and hydration are key to minimizing this risk.

Alcohol and Gout

  • Purine Metabolism: Gout is a type of arthritis characterized by the accumulation of uric acid crystals in the joints, leading to inflammation and pain. Alcohol, particularly beer and spirits, can increase the body’s production of uric acid by interfering with purine metabolism.
  • Dehydration: Alcohol consumption can also contribute to dehydration, which can raise uric acid levels in the blood and trigger gout attacks.
  • Moderation: While alcohol consumption is not the sole cause of gout, it is considered a risk factor. Individuals with gout are often advised to limit their alcohol intake, especially beer and spirits high in purines, to help manage symptoms and reduce the frequency of gout attacks.

For individuals with gout, moderation in alcohol consumption, along with maintaining hydration and a balanced diet low in purine-rich foods, is essential for managing the condition and reducing the risk of flare-ups.

If you’re seeking addiction treatment for yourself or a loved one, The Recovery Village Cherry Hill at Cooper is here to help. Our facility is conveniently located within the heart of New Jersey, under 20 minutes from Philadelphia. We have a full range of treatment options, including medical detox, inpatient care, partial hospitalization programming and intensive outpatient services. We offer a state-of-the-art inpatient facility and have specialized options for trauma, including EMDR and a specialty track for veterans and first responders.

If you or a loved one are ready to begin the journey toward a substance-free life, we’re standing by to take your call. Reach out to our Recovery Advocates to learn more about our treatment programs and find a plan that works well for your specific needs and situation.


Medical Disclaimer: The Recovery Village aims to improve the quality of life for people struggling with a substance use or mental health disorder with fact-based content about the nature of behavioral health conditions, treatment options and their related outcomes. We publish material that is researched, cited, edited and reviewed by licensed medical professionals. The information we provide is not intended to be a substitute for professional medical advice, diagnosis or treatment. It should not be used in place of the advice of your physician or other qualified healthcare provider.

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