Mason Delacroix
Men and women's bodies process alcohol differently. Women have lower levels of an enzyme called alcohol dehydrogenase (ADH) which breaks down alcohol in the body. Women also have higher levels of body fat and lower levels of body water, which means that alcohol is more concentrated in their bodies. As a result, women tend to have higher blood alcohol levels after drinking the same amount of alcohol as men. This may explain why women are quicker to become alcohol-dependent and are more susceptible to alcohol-related health issues.
| Characteristics | Values |
|---|---|
| Alcohol tolerance | Men have a higher alcohol tolerance than women |
| Reasons | Women have lower levels of the enzymes that metabolize alcohol, leading to a higher concentration of alcohol in the blood |
| Women have higher levels of body fat and lower levels of body water, which retains alcohol and affects absorption | |
| Women are more susceptible to alcohol-related cognitive impairment and medical issues | |
| Men have larger body sizes, more muscle mass, and less body fat, influencing how alcohol is processed | |
| Drinking patterns | Men are almost twice as likely to binge drink overall, but younger women (born between 1991-2000) drink just as much as their male peers |
| Health risks | Women who drink excessively are at a higher risk of heart muscle damage, cirrhosis, and other alcohol-related liver diseases |
| Alcohol increases the risk of several types of cancer, with breast cancer being the most common alcohol-related cancer in women |
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What You'll Learn
Women have less body water and higher body fat than men
The amount of water in the body is influenced by body weight and age. Generally, the lower the body weight, the less blood and water the body has. Older people also tend to have a higher fat-to-muscle ratio and less body water. As a result, older people may have a higher concentration of alcohol in their blood despite having the same weight as younger people.
The amount of food in the stomach also affects the absorption of alcohol. Alcohol is absorbed more slowly when there is food in the stomach, especially food containing fat. This is because foods high in fat take longer to leave the stomach. As a result, blood alcohol levels will be lower when drinking on a full stomach.
The rate of absorption of alcohol also depends on the type of drink. For example, the water in beer and wine creates more volume to drink compared to an equal amount of alcohol in hard liquor. On the other hand, the carbon dioxide in champagne or the soda in a mixed drink increases the rate of alcohol absorption, causing a more rapid effect.
The differences in body composition between men and women mean that women are more susceptible to the effects of alcohol. Women are quicker to become alcohol-dependent and suffer the consequences, which may include psychiatric problems, damage to the brain and other organs, and fatal accidents. Women who drink excessively also have a higher risk of damage to the heart muscle at lower levels of alcohol use than men.
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Women produce less of the enzyme alcohol dehydrogenase (ADH)
Alcohol is metabolized, or broken down, through the work of three enzymes. One of these enzymes is alcohol dehydrogenase (ADH), which is released in the liver and breaks down alcohol into acetaldehyde. Women produce less of this enzyme than men, which means that alcohol stays in their bodies for longer. This is supported by studies that have found women to have higher blood alcohol concentrations even when doses are adjusted for body weight.
The quantity of alcohol that reaches the liver can exceed the metabolic capacity of available ADH. When this happens, a greater proportion of alcohol escapes hepatic (liver-based) first-pass metabolism (FPM) and reaches the general circulation, resulting in a higher peak blood alcohol concentration (BAC). Women have been found to reach higher peak BACs than men after consuming equivalent doses of alcohol, even when doses are adjusted for body weight. This may be due to women having lower levels of ADH.
However, one study found that gastric ADH activities did not differ significantly between men and women. The effect of gender on FPM remains controversial, and the most recent data has failed to confirm a gender effect on FPM via ADH activity. Nevertheless, women who drink excessively tend to develop addiction and other medical issues more quickly than men. This phenomenon is called 'telescoping'. Women with alcohol struggles tend to start drinking later in life than men, but it takes them much less time to develop an alcohol addiction.
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Women are more susceptible to alcohol-related harm
Secondly, women produce smaller quantities of an enzyme called alcohol dehydrogenase (ADH), which is released in the liver and breaks down alcohol in the body. This results in alcohol staying in women's bodies for longer.
Thirdly, women who drink excessively have a higher risk of damage to the heart muscle at lower levels of alcohol use and over fewer years than men. Additionally, women who drink excessively also tend to develop addiction and other medical issues more quickly than men. This phenomenon is called 'telescoping'. Women with alcohol struggles tend to start drinking later in life than men, but it takes them much less time to develop an alcohol addiction.
Finally, alcohol use increases the risk of several types of cancer, with breast cancer being the most common alcohol-related cancer in women.
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Women are more likely to develop alcohol addiction
Women are more vulnerable to the effects of alcohol than men. Women have proportionally more body fat and less water than men of the same body weight. Because alcohol is dispersed in body water, women reach higher peak blood alcohol concentrations (BAC) than men after consuming equivalent doses of alcohol, even when doses are adjusted for body weight. This is because women produce smaller quantities of an enzyme called alcohol dehydrogenase (ADH), which is released in the liver and breaks down alcohol in the body. Women who drink excessively tend to develop addiction and other medical issues more quickly than men. This phenomenon is called 'telescoping': women with alcohol struggles tend to start drinking later in life than men, but it takes them much less time to develop alcohol addiction.
Harvard Health suggests that what is considered moderate drinking for a man (two drinks per day) is nearing heavy drinking for a woman. As a result, the recommended alcohol intake for women is no more than one drink per day, on average. Women are quicker to become alcohol-dependent and suffer the consequences, which may include psychiatric problems, damage to the brain and other organs, fatal accidents, and a higher risk of damage to the heart muscle at lower levels of alcohol use and over fewer years than men.
The changing gender roles and marketing of alcohol to women have gradually shifted the drinking imbalance. Overall, men are still almost twice as likely as women to binge drink. But that isn’t true for younger people, specifically women born between 1991 and 2000, who now drink just as much as their male counterparts. National data from the US show that the cirrhosis death rate shot up by 57% among women aged 45-64 from 2000-2015, compared to 21% among men. And it rose by 18% in women aged 25-44, despite decreasing by 10% among their male peers.
Several factors influence how people respond to alcohol, including genetics, body weight, gender, age, beverage type, food intake, medications, and overall health. Alcohol tolerance can vary depending on whether one has eaten recently, taken certain hormones or medications, or consumed other drugs. It is important to note that the more alcohol a person drinks, the greater the risk of harmful health effects.
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Alcohol-related health risks differ between men and women
The differing levels of ADH mean that women who drink excessively are more susceptible to alcohol-related impairment of cognitive performance and are also more likely to develop addiction and other medical issues more quickly than men. This phenomenon is known as 'telescoping'. Women who drink excessively also have a higher risk of damage to the heart muscle at lower levels of alcohol use and over fewer years than men. In addition, alcohol use increases the risk of several types of cancer, with breast cancer being the most common alcohol-related cancer in women.
On the other hand, men tend to drink alcohol and binge drink more than women and are hospitalized for alcohol-related harms and deaths at a higher rate. Alcohol use increases the risk of mouth, throat, oesophageal, liver, and colon and rectal cancer, which are more common among men. Drinking alcohol may also increase the risk of prostate cancer. While men and women absorb the same total amount of alcohol per unit of body weight per hour, women eliminate more alcohol per unit of lean body mass per hour.
Overall, the differing health risks associated with alcohol consumption in men and women are influenced by various factors, including body composition, hormone levels, and genetic variations in the enzymes that metabolize alcohol.
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Frequently asked questions
Yes, men generally have a higher alcohol tolerance than women of the same size. This is due to a variety of factors, including body composition (men tend to have more muscle mass and less body fat than women), hormone levels, and the production of certain enzymes.
Women have proportionally more body fat and less water than men of the same body weight. Because alcohol is dispersed in body water, women tend to have a higher concentration of alcohol in their blood after consuming the same amount as men. Additionally, women produce smaller quantities of an enzyme called alcohol dehydrogenase (ADH), which breaks down alcohol in the body.
Women who drink excessively are at a higher risk of damage to the heart muscle, developing cirrhosis and other alcohol-related liver diseases, and experiencing a quicker decrease in mental functioning. Alcohol use also increases the risk of several types of cancer, including breast cancer.
