Overview Sexual Men Slower erection/ejaculation Longer refractory period Women Vaginal shortening, thinning, dryness Sleep ↓ REM sleep ↓ Slow-wave sleep ↑ Sleep latency ↑ Awakenings during the night Psychiatric Depression is more prevalent ↑ Suicide rate Males 65-74 years of age have the highest suicide rate in the US Intelligence Intelligence does not decrease Decreased Visual acuity Hearing presbycusis the result of destruction of cochlear hair cells related to physiologic aging Immune response Bladder control Renal function Pulmonary function GI function Muscle mass Increased fat