
© Pexelas/Ali Dashti
July 10, 2026
Marianne Waldenfels
Several large studies have linked ice cream consumption to a surprisingly lower risk of type 2 diabetes and cardiovascular disease. What's behind the so-called Ice Cream Paradox?
Ice cream is widely regarded as the epitome of an unhealthy food: high in sugar, high in fat, and high in calories. It's all the more surprising, then, that ice cream of all things has repeatedly been associated with a lower risk of type 2 diabetes or cardiovascular disease in several large, long-term studies.
Does ice cream deserve a better reputation than it currently gets? Or is something else entirely going on behind the headlines?
This surprising finding has been known in nutrition research for years and even has a name: the Ice Cream Paradox. It refers to the observation that people who regularly eat ice cream tend to fare better health-wise in some studies than would be expected.
One particularly frequently cited analysis is the Health Professionals Follow-Up Study. It followed more than 40,000 men over many years. The surprising result: participants who ate ice cream at least twice a week developed type 2 diabetes less often than men who consumed little or no ice cream.
A similar pattern emerged in a further analysis involving around 16,000 people who already had type 2 diabetes. Those who consumed up to two servings of ice cream per week experienced cardiovascular events less frequently during the study period than participants who ate ice cream less often.

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Two different studies, two different research questions — and yet a strikingly similar pattern. That is precisely what made the results so remarkable.
As fascinating as the data are, they do not mean that ice cream is healthy or that it protects against disease.
The crucial point is that these are observational studies. They reveal associations but cannot establish causation. In other words, the fact that two things occur together does not mean that one causes the other.
This is a particularly significant problem in nutrition research. People differ across countless factors, such as physical activity, body weight, sleep, income, smoking behavior, and overall diet — all of which can influence the results.
There is also an effect that repeatedly comes into play in studies like these: people with obesity, prediabetes, or other metabolic conditions often deliberately avoid sweets or cut back on sugar.
Looking back, this can create the impression that ice cream eaters are healthier — when in reality their health status has shaped their eating behavior. Scientists refer to this phenomenon as reverse causation.
Data collection also has its limitations. Most nutrition studies rely on questionnaires in which participants are asked to recall their eating habits over months or even years. By its very nature, such information is not always accurate.
The fact that ice cream performs surprisingly well in some studies doesn't automatically mean the results are entirely random. Several possible explanations are actively being discussed.
Unlike many sweets, ice cream contains not only sugar but also fat and protein. This means blood sugar may rise more slowly after eating ice cream than after consuming pure sugar products.
It is also conceivable that, for some people, ice cream replaces other desserts that have a less favorable nutritional profile.
Many nutrition scientists, however, suspect that it isn't the ice cream itself that makes the difference, but rather other lifestyle factors among people who occasionally eat it. Such influences can never be fully accounted for, even in large studies.
Anyone hoping to eat ice cream more freely without worrying about their health will be disappointed. The data available so far show only a statistical association — nothing more, but nothing less either.
To date, there are no high-quality randomized studies demonstrating a protective effect of ice cream against diabetes or cardiovascular disease. For everyday life, the main takeaway is this: a scoop of ice cream is not a health risk when it is part of an overall balanced diet.
The Ice Cream Paradox is above all a reminder of how carefully surprising headlines from nutrition research need to be interpreted. Nutrition is complex. Individual foods can rarely be assessed in isolation — and that is precisely what the Ice Cream Paradox illustrates so vividly.