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.
Many sedatives and hypnotics are GABA agonists. Glutamic acid, also known as glutamate, is an amino acid and is the most common neurotransmitter in the body. 80% of the brain's neurons release glutamate. Glutamateâs most vital function as a neurotransmitter is in cognitive activities like memory and learning.edications for insomnia and hypersomnia usually act on neural systems and affect, in some manner, neurotransmitters. Sleep aids tend to work on the GABA receptors in the brain, or melatonin receptors.