Various studies place the average age of cataract surgery patients at between 70 and 73. More Info: The incidence of cataracts among Americans is relatively high.
Serotonin. Serotonin is an inhibitory neurotransmitter involved in the regulation of mood, anxiety, libido, compulsivity, headaches, aggression, body temperature, eating disorders, social anxiety, phobias, sleep, appetite, memory and learning, cardiovascular function, muscle contraction, and endocrine regulation.
This review focuses on the role of leptin, an adipocyte-secreted hormone regulating energy homeostasis, in normal human physiology and discusses the potential implications of these findings in eating disorders associated with energy deprivation, i.e., anorexia nervosa, bulimia nervosa, and binge eating disorders.