Unfortunately, many dementias are partially or completely biologically irreversible. However, as mentioned previously, it is important to recognize that all dementias are treatable. Some of these irreversible dementias are preventable. For example, automobile accidents in civilian populations and projectile wounds in military populations are common causes of brain damage that cause dementia. Some improvements can occur in these conditions for a period of time after the initial insult, but affected individuals are left with varying degrees of impairment and often severe limitations in function. (more…)

Obesity results from an imbalance between caloric consumption and caloric expenditure over a prolonged period. Weight gain occurs when there is a greater consumption of calories than expenditure. The expenditure of calories is complex and results from likely combinations of metabolic, genetic, and individual factors. Genetics and environment may predispose to weight gain, but it is only the consumption of calories in excess of utilization that can cause weight gain. (more…)

The prevalence of sexual dysfunction in women approaches 43%, and age is an important correlate. The underlying etiology of sexual dysfunction in women is complex. Nevertheless, hormonal changes such as loss of estrogens and androgens contribute significantly to some of the sexual difficulties experienced by aging women. (more…)