The aging process is accompanied by changes in the body that affect the processes of perception and digestion, as well as the physiological needs for nutrients and energy. These changes include: reduction of taste and smell; changes in the dental arcade (loss of teeth and dentures substandard); inflammation of the oral mucosa; reduced secretion of saliva; dry mouth and decreased taste sensation caused by drugs; reduced secretion of hydrochloric acid in the stomach, affecting the absorption of calcium, vitamin B12; decrease in kidney function that affects the excretion of drugs and maintaining normal water-salt metabolism and others.
