The heart may be unable to meet the demands of the activity. If the person is using heart medication, be sure to take as the doctor ordered and follow recommendations, including exercise. Decreased ability of the immune system to repair damage from disease or to resist disease may cause increased susceptibility to pneumonia or viruses such as the flu. Maintain a good diet, get adequate rest, manage stress, ask the doctor about taking vitamin supplements and about exercise. Decreased circulation to the kidneys results in shrinkage in size.
Function becomes less efficient but is generally adequate under normal conditions.
However, certain medications that filter through the kidneys may remain longer in the system. Have adequate fluid intake, review all medications with your doctor periodically. Decreased elasticity of the lungs and chest wall and decreased strength in respiratory muscles often leads to decreased oxygen delivery. Have a regular exercise routine, avoid smoking and second hand smoke. If experiencing shortness of breath see your physician.