Which of the following is a common misconception about nutrition?

Fats play a crucial role in a balanced diet and are not all unhealthy. Instead, there are different types of fats, including saturated, unsaturated, and trans fats. Unsaturated fats, which are found in foods like avocados, nuts, and olive oil, can be beneficial for heart health and help the body absorb essential vitamins. It’s important to recognize that while some fats should be consumed in moderation, particularly trans fats and some saturated fats, many fats are integral for various bodily functions, including hormone production and maintaining cell structure. Understanding this nuance helps in making informed dietary choices.

The other statements reflect misconceptions about nutrition as well. For instance, while fruits are a rich source of vitamins, they are not the sole source; other food groups, including vegetables, grains, and proteins, also provide essential vitamins. It's also not true that all processed foods contain preservatives; while many do, some are minimally processed and do not include these additives. Lastly, vegetables do provide carbohydrates, albeit in lower amounts compared to grains and fruits, and play a vital role in a balanced diet by offering fiber and essential nutrients.