Consuming a balanced diet throughout one's life helps to prevent malnutrition in all of its manifestations, as well as a variety of diseases, illnesses, and other health problems. However, increased processed food production, rising urbanisation, and changing lifestyles have resulted in a shift in dietary trends.

Stomach or gastric ulcers form when the thick mucus layer that protects the stomach from digestive juices breaks down, resulting the stomach lining tissues being eroded by digesting acids.