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.
All Answers (15) 1  The key neurotransmitter involved in Alzheimer's disease is acetylcholine (ACh). In the CNS ACh acts as a neuromodulator and forms the cholinergic system. 2  I see that Steve Runnels mentions the toxic effects of the accumulation of beta amyloid and/or tau protein aggregates..