Nutrition is a scientific field that studies the effects of food and nutrients on the body, in order to promote health and prevent diseases. Researchers in the field of nutrition study various aspects of diet, such as the bioavailability of nutrients, the impact of food processing on nutrient content, and the relationship between diet and chronic diseases. Nutrition research also explores the role of nutrition in supporting overall health, exercise performance, and cognitive function. Overall, the goal of nutrition research is to provide evidence-based recommendations for individuals to achieve optimal health through their diet.