The specialty of food nutrition and health is a subject that studies the influence of food on human health and how to maintain and improve human health through reasonable diet. The charm of this major lies in that it can help us better understand the relationship between food and health, thus providing guidance for our lives.

First of all, the specialty of food nutrition and health can let us know about various nutrients in food, such as protein, fat, carbohydrates, vitamins and minerals, and their functions in the human body. This knowledge can help us choose food better to meet the body's needs for various nutrients.

Secondly, the specialty of food nutrition and health can also help us understand the nutritional needs of different groups of people. For example, children, teenagers, pregnant women, the elderly and athletes have different nutritional needs. By studying this major, we can provide them with more personalized dietary advice.

In addition, the specialty of food nutrition and health can also help us to prevent and treat some diet-related diseases. For example, cardiovascular diseases, diabetes, obesity and cancer are all related to bad eating habits. By studying this major, we can provide more scientific dietary guidance for patients and help them improve their health.

In a word, the specialty of food nutrition and health is a very meaningful subject. It can not only help us better understand the relationship between food and health, but also provide us with more scientific, reasonable and personalized dietary suggestions. Therefore, choosing this major is undoubtedly a wise decision.