
While many people enjoy drinking alcohol, and drinking in moderation can keep the risk of harm low for some, there is no guaranteed safe amount of alcohol for anyone. The World Health Organization (WHO) has stated that there is no safe amount of alcohol consumption that does not affect health. Alcohol is a toxic, psychoactive, and dependence-producing substance, and any amount of alcohol consumption comes with risks. The more you drink, the more harmful it is, and the risk to health starts with the first drop of any alcoholic beverage. However, general guidelines can help people minimize risks, with the U.S. Dietary Guidelines suggesting that women have one drink or less in a day and men have two drinks or less in a day. These guidelines are not averages but daily limits, and it's important to note that drinking levels are based on binary sex assigned at birth, not gender identity.
| Characteristics | Values |
|---|---|
| Safe amount of alcohol consumption | No safe amount according to the World Health Organization |
| General guidelines for women | 1 drink or less in a day |
| General guidelines for men | 2 drinks or less in a day |
| Binge drinking for women | 4 or more drinks on any day or 8 or more per week |
| Binge drinking for men | 5 or more drinks on any day or 15 or more per week |
| High-intensity drinking for women | 8 or more drinks on an occasion |
| High-intensity drinking for men | 10 or more drinks on an occasion |
| Standard drink in the US | 14 grams or 0.6 fluid ounces of "pure" ethanol |
| Standard drink in Australia | 10 grams of pure alcohol |
| Alcohol abstinence | Pregnant women, youth under 18, people with certain medical conditions, or those on certain medications |
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What You'll Learn

There is no safe amount of alcohol consumption
While it is often believed that drinking alcohol in moderation is safe, recent studies and reports from reputed agencies and universities have concluded that there is no safe amount of alcohol consumption. The World Health Organization (WHO) has published a statement in The Lancet Public Health that asserts there is no safe amount of alcohol that does not affect health. This statement is based on the systematic evaluation of the risks and harms associated with alcohol consumption over the years.
Alcohol is a toxic, psychoactive, and dependence-producing substance. It has been classified as a Group 1 carcinogen, which is the highest-risk group, including asbestos, radiation, and tobacco. Alcohol causes at least seven types of cancer, including common cancer types such as bowel cancer and female breast cancer. The ethanol (alcohol) in alcoholic beverages breaks down in the body and causes cancer, regardless of the beverage's price or quality. The WHO European Region has the highest alcohol consumption level and the highest proportion of drinkers in its population. Over 200 million people in this region are at risk of developing alcohol-attributable cancer.
The Canadian Centre on Substance Use and Addiction's 2023 guidance also supports this conclusion, stating that the safest amount of alcohol to drink is none. This is a significant shift from previous national guidance, which advised women to have no more than 10 drinks per week and men no more than 15. The report emphasizes that drinking even one or two alcoholic beverages per week may help avoid alcohol-related health consequences, but the safest choice is to abstain completely.
In addition to cancer, alcohol consumption has been linked to various health problems, including chronic diseases, liver injury, accidents, and cardiovascular diseases. A scientific study published in The Lancet by UW Medicine also concluded that there is no safe level of alcohol consumption. The study found that nearly 3 million deaths globally were attributed to alcohol use in 2016, including 12% of deaths in males aged 15 to 49. The health risks associated with alcohol are significant, and zero alcohol consumption minimizes the overall risk of health loss.
While it is challenging to abstain from alcohol entirely, it is essential to recognize that even small amounts can be damaging to health. The current research and evidence suggest that the less alcohol consumed, the better. It is recommended to follow the dietary guidelines, which advise limiting intake to one drink or less for women and two drinks or less for men per day. These guidelines are daily limits rather than averages. Binge drinking, defined as consuming four or more drinks for women or five or more for men within about two hours, should be avoided.
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Drinking guidelines for women
While there is no guaranteed safe amount of alcohol for anyone, there are general guidelines that can help women minimize the risks associated with drinking alcohol. The National Institute on Alcohol Abuse and Alcoholism (NIAAA) and the U.S. Dietary Guidelines recommend that women have no more than one drink per day. This recommendation is based on the notion that drinking in moderation is better for your health than drinking more or not drinking at all.
It's important to note that a "standard drink" or "alcoholic drink equivalent" in the United States is defined as any drink containing 0.6 fluid ounces or about 14 grams of "pure" ethanol. This amount of ethanol is typically found in 12 ounces of regular beer (5% ABV), 5 ounces of table wine (12% ABV), or 1.5 ounces of 80-proof distilled spirits (40% ABV). However, actual alcohol content and serving sizes can vary across different types of beverages.
Heavy drinking for women is defined as consuming four or more drinks on any day or eight or more per week. Binge drinking, which should be avoided, is defined as consuming four or more drinks on a single occasion for women. High-intensity drinking is considered drinking at two or more times the binge-drinking threshold, which is eight or more drinks on an occasion for women.
It is important to remember that drinking alcohol, even in moderate amounts, may increase the risk of certain cancers and other alcohol-related harms. Women who are pregnant, planning to become pregnant, or breastfeeding should avoid alcohol consumption altogether, as it can harm their baby. Additionally, for some people, not drinking at all is the safest option to eliminate the risks associated with alcohol consumption.
To summarize, women should limit their alcohol consumption to one drink or less per day to align with the drinking guidelines. However, it is essential to consider individual health conditions, medications, and other factors that may impact the safe level of alcohol consumption.
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Drinking guidelines for men
While sources suggest that there is no safe amount of alcohol consumption, with the World Health Organization classifying it as a Group 1 carcinogen, there are guidelines that can help minimise the risks.
In general, men should limit their alcohol intake to two drinks or less in a day. This is not intended as an average but rather as a daily limit. This guideline is supported by the National Institute on Alcohol Abuse and Alcoholism (NIAAA), the U.S. Dietary Guidelines, and the MN Dept. of Health.
The amount of alcohol in a drink can vary depending on the type of beverage and its serving size. A "standard drink" or "alcoholic drink equivalent" in the United States is defined as any drink containing 0.6 fluid ounces of "pure" ethanol (14 grams). This amount of ethanol is found in 12 ounces of regular beer (5% ABV), 5 ounces of table wine (12% ABV), or 1.5 ounces of 80-proof distilled spirits (40% ABV). However, it is important to note that actual alcohol content and serving sizes can vary, and some drinks may contain more or less alcohol than the standard definitions.
Heavy drinking is defined as consuming 15 or more drinks per week for men. Binge drinking, a type of heavy drinking, is defined as consuming five or more drinks on any day for men, typically bringing their blood alcohol concentration (BAC) to 0.08 grams percent or above. Binge drinking is associated with increased risk and should be avoided.
To reduce the risk of alcohol-related harm, men should also limit their weekly alcohol intake. While specific guidelines vary, it is generally recommended that men consume no more than seven to 10 standard drinks per week. This guideline is supported by the Australian Government Department of Health, which recommends no more than 10 standard drinks per week and no more than four standard drinks on any one day.
It is important to note that these guidelines are based on binary sex assigned at birth and not on gender identity. The risks and impacts of alcohol consumption can vary for transgender, non-binary, gender diverse, and intersex individuals, and they should consult their healthcare team for recommended drink limits. Additionally, certain individuals, such as those under the legal drinking age, pregnant women, or those with specific medical conditions, should refrain from drinking alcohol.
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Binge drinking
While there is no guaranteed safe amount of alcohol for anyone, according to the 2020-2025 U.S. Dietary Guidelines, men should have no more than two drinks per day, and women should limit themselves to one drink or less per day. These guidelines are not averages but daily limits. Drinking in moderation helps reduce the risk of alcohol-related health problems.
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Alcohol and pregnancy
While guidelines suggest that, in general, drinking one or two alcoholic drinks per day is within the limit of safe consumption, this does not apply to people who are pregnant or planning to become pregnant. There is no known safe amount of alcohol use during pregnancy, and drinking during this time can cause serious harm to the baby. Alcohol use during pregnancy is associated with an increased risk of miscarriage, preterm birth, stillbirth, and sudden infant death syndrome (SIDS). It can also lead to a range of lifelong behavioural, intellectual, and physical disabilities known as fetal alcohol spectrum disorders (FASDs).
When a pregnant woman drinks alcohol, it passes through her blood and into the baby's blood, tissues, and organs. The baby's blood alcohol level remains increased for longer than the mother's because alcohol breaks down much more slowly in the baby's body. This can cause harm to the baby and can sometimes lead to lifelong damage. The baby's brain is developing throughout pregnancy, and exposure to alcohol at any time can affect its development. Drinking a lot of alcohol during pregnancy can lead to a group of defects in the baby known as fetal alcohol syndrome. Symptoms can include intellectual and physical disabilities, behavioural problems, and low birth weight.
The only way to prevent fetal alcohol syndrome is to avoid drinking alcohol during pregnancy. If you are pregnant and struggling to stop drinking, it is important to seek help. You can contact your healthcare provider, local Alcoholics Anonymous, or a local alcohol treatment centre. Additionally, confidential help and support are available from various organisations, such as national alcohol helplines and treatment agencies that specialise in managing alcohol misuse.
It is never too late to stop alcohol use during pregnancy. Stopping will improve the baby's health and well-being. If you have consumed alcohol during your pregnancy, it is important to talk to your child's healthcare provider as soon as possible to ensure you receive the necessary support and care.
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Frequently asked questions
According to the National Institute on Alcohol Abuse and Alcoholism (NIAAA), the general guideline for US adults who choose to drink alcohol is one drink or 0.6 fluid ounces per day for women and two drinks a day for men. However, the World Health Organization (WHO) states that there is no safe amount of alcohol consumption that does not affect health. The risks associated with drinking alcohol are well documented, and alcohol is classified as a toxic, dependence-producing substance and Group 1 carcinogen.
A standard drink or "alcoholic drink equivalent" in the US contains 0.6 fluid ounces or about 14 grams of pure ethanol. This amount of ethanol is found in 12 ounces of regular beer (5% ABV), 5 ounces of table wine (12% ABV), or 1.5 ounces of 80-proof distilled spirits (40% ABV). However, actual alcohol content and serving sizes can vary across different beverages.
Yes, certain groups are advised to refrain from drinking alcohol, including individuals under the legal drinking age, pregnant or planning to become pregnant, managing health conditions worsened by alcohol, taking medications that interact with alcohol, or those with a history of alcohol dependence.
Binge drinking is a pattern of excessive drinking that raises a person's blood alcohol concentration (BAC) to 0.08% or more. This typically occurs when a woman consumes four or more drinks or a man consumes five or more drinks within a two-hour period. Binge drinking is associated with an increased risk of alcohol-related harms and health problems.
Alcohol consumption is linked to various health risks, including an increased risk of at least seven types of cancer, such as bowel and breast cancer. Alcohol is also toxic to the body and can lead to dependence, affecting both physical and mental health. The risks may be higher for disadvantaged and vulnerable populations, and youth who start drinking at an early age are more susceptible to alcohol dependence.











































