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Women and men

Helping people make informed choices about alcohol.

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about alcohol - Women and men

Women and men

Women's bodies react to alcohol differently than men's do

summary

  • Women can be affected by the same amount of alcohol more quickly than men because, on average, their bodies react to alcohol differently

  • Pregnant women should either not drink alcohol or seek medical advice before they do

  • Breast cancer is linked to alcohol consumption and women are more susceptible to breast cancer than men

  • Women who are breastfeeding should be cautious about drinking alcohol

about alcohol - women and men

The majority of the risks and benefits of alcohol consumption relate to women and men alike.

However, on average, most women respond to alcohol faster than men because their bodies react to alcohol differently. Also, excessive drinking may be more risky for women than for men; one example is an increased risk to their personal safety.

A woman's body is different than a man's. 

The following factors may contribute to gender-related differences in how much alcohol reaches the bloodstream, known as Blood Alcohol Concentration (BAC).

  • The average female body has 10% more fat cells than the average male body. Body fat contains little water and alcohol is absorbed by water in the body's tissues before it reaches the bloodstream

  • Because of their smaller size, women have less blood to dilute the alcohol once it reaches the bloodstream

  • Women produce less of a certain enzyme that breaks down alcohol in the stomach

about alcohol - women and men

It is impossible to predict exactly how any individual will respond to alcohol because every person and every situation are unique (eg height, weight, amount and timing of food intake, genetics, medications, health status).

However, as a woman you may be exposed to greater health risks if you drink as much as a man. That is why government guidelines recommend lower 'moderate drinking' levels for women than for men. Women should never try to match a man drink for drink.

Pregnancy

Pregnant women should either not drink alcohol or seek medical advice before doing so. There is currently no consensus on how much alcohol is safe for a pregnant woman to consume before causing risk to the foetus.

Breast cancer

Breast cancer occurs much more often in women than men. There are many risk factors for breast cancer. They include family history, body mass index, height, age when menstruation starts, age at first pregnancy, breastfeeding, age at menopause, whether or not a woman has taken hormone replacement therapy, smoking and alcohol consumption.

Some organisations, such as the International Agency for Research on Cancer (IARC), have concluded that alcohol consumption is a cause of breast cancer, with the risk increasing with the amount consumed.

Although alcohol is a well-established risk factor for breast cancer, the mechanism by which alcohol consumption may cause breast cancer is not fully known. The relationship between alcohol consumption and breast cancer is undergoing vigorous research. Recent studies indicate that alcohol consumption may be more strongly linked to a certain less common form of breast cancer (lobular cancer), than it is to the most common type of breast cancer (ductal cancer).

Both alcohol and hormone replacement therapy are risk factors for a certain subtype of breast cancer. It has been reported that women who have been on hormone replacement therapy for more than five years and consume alcohol may have an increased risk of breast cancer. If and how these two factors may interact and affect risk is not completely known.

Most women respond to alcohol faster than men because their bodies react to alcohol differently. A woman's body composition is simply different than a man's. Take care to stay within drinking guidelines and talk to your doctor about alcohol consumption, especially if pregnant or breastfeeding.

  • For people above legal drinking age onlyFor people above legal drinking age only
  • Don’t drink and driveDon’t drink and drive
  • Don’t drink while pregnantDon’t drink while pregnant