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.
5 causes of food cravings. Serotonin is a âfeel-goodâ neurotransmitter produced mainly in the gastrointestinal (GI) tract. Itâs thought to have a strong influence on mood, appetite, and digestion. Eating carbohydrates and sugar increases the release of serotonin (study) making us feel fabulous (temporarily).