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.
Experimental Alzheimer Drugs Targeting Beta-. Amyloid and the âAmyloid Hypothesisâ. In Alzheimerâs disease, brain cells that process, store and retrieve information degenerate and. die. Although scientists do not yet know the underlying cause of this destruction, they have. identified several possible culprits.