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.
GLP-1 is a hormone associated with regulating eating behavior and letting the brain know when the stomach is satisfied and it's essentially time to stop eating. When the team activated the hormone in the mesolimbic dopamine system, the reward circuit of the brain, the opposite effect was observed and mice consumed less food and lost their preference for high-fat food.