Countless statements about nutrition have circulated over the years, which were considered general truths. Many of them have since been relativized or even clearly refuted by modern research. Nevertheless, some nutritional myths persist to this day – especially due to social media, advertising, or outdated recommendations.

This is precisely why it is becoming increasingly important to view nutrition in a nuanced way and not to blindly accept every blanket statement.

A classic example is the myth "fat makes you fat." For a long time, fat was considered the main cause of obesity. Today, however, we know that it's not individual macronutrients alone that are decisive, but above all the overall diet, calorie balance, and food quality. Healthy fats from nuts, avocados, olive oil, or fish even play an important role for hormones, the brain, and metabolism.

Light products also still enjoy a healthy reputation. However, less sugar or less fat does not automatically mean healthier. Many light products contain highly processed ingredients, sweeteners, or additives and often do not provide better satiety. Therefore, "light" is not an automatic quality feature.

Another widespread myth is: "Breakfast is the most important meal of the day." Interestingly, this well-known phrase originally stems from an advertising slogan of a major cornflake manufacturer from the 1940s and was massively shaped by marketing over decades. In fact, there is no scientific basis for the claim that everyone must eat breakfast to stay healthy or boost their metabolism. Some people benefit from breakfast, while others feel significantly better with later meals or intermittent fasting. What matters is not the timing of the meal, but the overall diet.

Smoothies are also often automatically considered healthy. However, it strongly depends on their composition. Many smoothies – especially ready-made products – contain large amounts of sugar and very little fiber. Homemade variants with vegetables, protein sources, and healthy fats can be beneficial, but they do not automatically replace whole meals or whole fruits.

Similarly persistent is the myth that eggs dangerously raise cholesterol levels. Although eggs contain cholesterol, their influence on blood cholesterol levels is significantly lower in most people than long assumed. Eggs are now considered a high-quality source of protein, vitamins, and important nutrients.

Many nutritional myths stem from a time when scientific knowledge was significantly more limited. Modern nutritional research increasingly shows: health rarely results from individual foods or rigid rules, but from long-term habits, balance, and individual factors.

Those who truly want to understand nutrition should therefore pay less attention to trends and myths – and more to scientific evidence, practicality in everyday life, and long-term health.