A patient came to the emergency room in Toronto Western Hospital. He told doctor tat he is trying to reduce weight and very successful in losing weight rapidly in the last couple of days, but complains that he has lost energy and is tired most of the time.  During his interview with the patient, the doctor thinks he has discovered what is causing the man's condition.  What do you think he has found? What exactly could happened with him. Please explain in your words.

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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.