When being sick, your body will release Inflammatory chemicals that affects the central nervous system and causes anoexia. Other variables that drive patients to eat less include an unpleasant odor or flavor, low stomach and intestinal motility, as well as discomfort, nausea, and vomiting, as well as emotions like stress, anxiety, or depression.

       When the body requires more calories and protein while eating less, The body must convert secondary energy sources, such as fat and muscle, into energy. When illness persists and  a patient continues eating less, malnutrition develops, resulting in weight loss, muscle atrophy, weariness, a weakened immune system, poor wound healing, and an increased risk of infection.

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