As awareness of prostate cancer continues to grow, emerging research is highlighting an important connection between diet and long-term men’s health. A recent survey and review of existing studies suggest that many men remain unaware of the possible link between dairy consumption and increased prostate cancer risk, while plant-based eating patterns may offer meaningful protection.

According to a survey conducted among more than 1,100 U.S. men, only 20 per cent knew that milk and other dairy products have been associated with an increased risk of prostate cancer. Once informed about the research, two-thirds of respondents said they would consider reducing or avoiding dairy products.

The survey also found that only 20 per cent had received information from healthcare professionals about the relationship between nutrition and prostate cancer risk.

These findings suggest that nutrition remains an under-discussed aspect of prostate cancer prevention, despite growing scientific interest in the role of dietary choices.

What the research says

Several studies reviewed in the report have associated higher dairy consumption with a greater risk of developing prostate cancer. A meta-analysis of 32 studies found evidence of elevated risk among individuals who consumed larger amounts of dairy products.

Researchers also noted that men who consumed at least one serving of low-fat or skim milk daily had a 19 per cent higher risk of prostate cancer compared with those who rarely drank milk. Another long-term study found that men consuming about three servings of low-fat dairy products per day were more than twice as likely to develop prostate cancer as those consuming less than one serving daily.

Some evidence suggests dairy intake may influence outcomes after diagnosis as well. Studies examining cancer mortality reported that men with the highest whole milk consumption experienced substantially higher risks of death from prostate cancer compared with those consuming the least.

While observational studies do not prove cause and effect, consistent findings across multiple investigations have prompted researchers and health advocates to call for greater public awareness.

The WFPB advantage

Perhaps the most encouraging aspect of the research is the growing evidence supporting plant-based nutrition.

Studies cited in the report found that diets centred on fruits, vegetables, whole grains, legumes, nuts, and seeds were associated with lower prostate cancer risk. One large study reported that men following a vegan dietary pattern had a 35 per cent lower risk of prostate cancer compared with men consuming diets that included animal products.

The benefits may extend beyond prevention. In research involving more than 2,000 men already diagnosed with prostate cancer, those who ate the greatest amount of plant-based foods experienced a 56 per cent lower risk of disease progression and a 59 per cent lower risk of recurrence compared with those consuming the fewest plant foods.

These findings align closely with WFPB philosophy: nourishing the body with minimally processed plant foods can support overall health while reducing exposure to dietary factors associated with chronic disease.

Small changes, big impact

Transitioning to a more plant-focused lifestyle does not have to happen overnight. Consider these practical steps:

• Replace dairy milk with oat, soy, almond, or other plant-based alternatives.
• Build meals around beans, lentils, and whole grains rather than animal products.
• Fill half your plate with colourful vegetables and fruits.
• Explore plant-based versions of favourite recipes.
• Choose whole foods over heavily processed convenience products whenever possible.

Even gradual changes can increase nutrient intake while helping reduce reliance on dairy products.

Looking ahead

Prostate cancer remains the most commonly diagnosed cancer among U.S. men and the second leading cause of cancer-related death in men. Researchers estimate that hundreds of thousands of new cases will be diagnosed each year.

While no single food guarantees prevention, the growing body of evidence suggests that dietary choices matter. As research continues to evolve, embracing a whole food, plant-based lifestyle may be one of the most powerful steps men can take to support prostate health and overall wellbeing.

At Whole Food Living, we believe that every meal is an opportunity to invest in better health. The science increasingly points to a simple conclusion: eating more plants and fewer animal products may benefit not only our hearts and waistlines, but also our long-term cancer risk.