The average age for cataract surgery is approximately 73 to 75 years old. But cataracts can occur in the 30s, 40s, and 50s. Of course the older the patient gets the more common the cataracts.
Two neurotransmitters seem to play a role in Alzheimer's Disease: acetylcholine and glutamate. Acetylcholine (ACh) activates muscles and helps with arousal, short-term memory, and learning. Individuals with AD have low levels of ACh.
Introduction. Alzheimer's disease (AD) and bipolar disorder (BD) are progressive neuropsychiatric illnesses with overlapping symptoms and neuropathology, including brain atrophy, cognitive impairment, emotional disturbances, neuroinflammation, excitotoxicity and upregulated brain arachidonic acid (AA) metabolism.