and peripheral neurons (a7 Ko and Kin mice) and peripheral neurons (a7 Ko and Kin mice)

Alzheimer’s disease and Parkinson’s disease Alzheimer’s disease (AD) and Parkinson’s disease (PD) are psychiatric or neurologic degenerative disorders in which the cholinergic pathways are consistently affected. Early evidence that nicotinic receptors are involved in these diseases came from epidemiologic data that tobacco smoking reduces the risk of developing PD,7 and may have a small protective effect in AD.106