Männergesundheit

Two Beer in the Evening, More at the Weekend: What Alcohol Does to the Male Body

In Germany, men drink more alcohol on average than women. This is statistically documented and largely normalised by society. A beer after work, wine with dinner, a little more at the weekend. What this does to the body in the long term is rarely considered soberly, in both senses of the word. This article is not a plea for abstinence. It is an attempt to make clear what actually happens.

 

What Alcohol Does in the Body

Alcohol is a cellular toxin. The body treats it as a priority: when alcohol is in the bloodstream, the liver puts most other metabolic tasks on hold in order to break it down. This produces toxic intermediate products, most notably acetaldehyde, which damages cells and is classified as probably carcinogenic. This is not speculative thinking, but well-documented biochemistry.

 

For the liver, regular alcohol consumption means sustained overwork. Initially a fatty liver develops, which is reversible with abstinence. If consumption continues, alcoholic hepatitis can develop, and ultimately cirrhosis, meaning irreversible destruction of liver tissue. This sounds like an edge case. In reality, alcohol-related liver disease is one of the most common liver conditions in Germany.

Alcohol and the Cardiovascular System

For a long time, moderate alcohol was considered cardioprotective. This was an epidemiological error that has since been largely revised. The more recent evidence shows: there is no safe threshold below which alcohol reduces cardiac risk. What earlier studies interpreted as a protective effect was probably a bias, because many abstainers were former heavy drinkers who had stopped for health reasons.

 

Regular alcohol consumption raises blood pressure, promotes cardiac arrhythmias (particularly atrial fibrillation, the so-called holiday heart syndrome after excessive drinking), elevates triglycerides, and strains the heart muscle. Anyone with already elevated blood pressure or working to address cardiometabolic risk factors should cut back on alcohol consistently.

From the clinic: Stephen, 49, sales manager: He drank two glasses of wine in the evenings, more at the weekend. At his check-up: elevated blood pressure, high triglycerides, liver values slightly outside the normal range. His doctor raised the topic of alcohol directly. Stefan cut back to three evenings per week. After three months: all values markedly improved.

Alcohol, Testosterone and Cancer

Alcohol directly lowers testosterone levels. It inhibits testosterone production in the testes, activates enzymes that convert testosterone into oestrogen, and disrupts sleep, which is important for nocturnal testosterone production. Anyone who drinks regularly and in larger quantities sets in motion a mechanism that can affect muscle mass, libido, and drive over the medium to long term.

 

Alcohol is a contributing cause of several types of cancer: mouth, throat, oesophagus, stomach, colon, and liver. For men, colorectal cancer risk is particularly relevant. The World Health Organization classifies ethanol as a Group 1 carcinogen, meaning a proven cancer-causing agent. The risk increases with the amount consumed. There is no safe threshold below which alcohol carries no cancer risk.

 

This is not a call for hysteria. It is a call for honesty: anyone who drinks regularly accepts an elevated risk. That can be a conscious decision. But it should be an informed one.

What Regular Alcohol Can Cost in the Long Term

- Liver: fatty liver, hepatitis, cirrhosis (reversible if stopped early)

- Heart: raised blood pressure, atrial fibrillation, elevated triglycerides

- Testosterone: lowered through direct inhibition and sleep disruption

- Cancer risk: colon, liver, mouth, oesophagus elevated

- Sleep: alcohol shortens REM sleep, despite faster onset

- Abdominal fat: alcohol provides calories without satiety, promotes visceral fat deposition

What a Realistic Approach Looks Like

No recommendation says: never drink again. A realistic recommendation says: consume consciously, take an honest account, and if values start to go wrong, reduce consistently. In Germany there are so-called low-risk limits: for men, no more than 24 grams of pure alcohol per day (roughly two beers or 0.25 litres of wine), with at least two alcohol-free days per week. These are maximum values for low risk, not a recommendation. Anyone who wonders whether their consumption is a problem should ask that question.

When to see a doctor: If liver values (GOT, GPT, GGT) are elevated on a blood test, if you need a drink in the morning to function, if you regularly drink so much that friends and acquaintances are worried about you, if you can no longer manage without alcohol, or if you notice that you sleep worse without alcohol than with it — these are clear signals to have a conversation with your doctor. There are also self-tests that provide an initial orientation, e.g. at: https://www.blaues-kreuz.de/de/angebote-und-hilfe/selbsttests/selbsttest-alkoholabhaengigkeit

What You Can Do Now

•       Take an honest account: How much do you really drink per week? Many people underestimate it. Keeping a diary for two weeks creates clarity.

•       Introduce alcohol-free days: Two to three alcohol-free days per week give the liver and sleep a chance to recover.

•       Check liver values: GOT, GPT and GGT indicate liver strain. They belong in a routine blood panel at the GP.

•       Pay attention to sleep quality: Alcohol alters sleep architecture. Those who struggle with alcohol consumption and poor sleep in the mornings often notice a clear difference after two weeks of abstinence.

•       Testosterone and weight: Alcohol lowers testosterone and promotes abdominal fat. Anyone working on both should also factor in their consumption.

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