id="par0005">Alpha lipoic acid (ALA) significantly enhances learning and memory.
id="par0010">Al-induced neurodegeneration is reverted by ALA.
id="par0015">ALA improves the expression of muscarinic receptors (M1 and M2).
id="par0020">ALA has higher binding affinity for M1 and M2 as compared to acetylcholine.