Ben went to see his doctor for his annual physical exam.  After the physical exam was completed his doctor told Ben that he was slightly overweight.  His doctor suggested that he should think about making some changes in his diet to lose about 10 pounds and decrease his bodyfat percentage.  John likes to eat fast food about once a day, and also consumes a lot of food that is high in sugars and carbohydrates.  Should John consider cutting the fast food from his diet?  Could  including more protein in his diet and decreasing his carbohydrate intake help him to lose weight?  Does he need to completely change his diet or could small changes in his eating habits accomplish his goal of losing weight over time?

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Nutrition and diet

We are involved in several daily activities. These actions need a significant quantity of energy. The food we eat provides this energy. Food is necessary for development, repair, and other living activities since it supplies energy. All of these are part of the living practice known as nutrition. Nutrition is the study of nutrients in food, how the body uses them, and the relationship between diet, health, and disease. Nutritionists employ concepts from molecular biology, biochemistry, and genetics to understand how nutrients affect the human body. Nutrition also looks at how people can use their diet to reduce their risk of disease, as well as what happens when they ingest too much or too little of a nutrient and how allergies emerge.