This document summarizes recent advancements in the treatment of Alzheimer's and Parkinson's diseases. For Alzheimer's, it discusses amyloid and tau hypotheses and drugs that target cholinergic systems like donepezil. New treatments focus on anti-amyloid therapies through vaccines, antibodies or secretase inhibitors. For Parkinson's, it outlines drugs like levodopa, safinamide, and istradefylline that target motor symptoms. Stem cell therapy and gene therapy show promise to replace lost dopamine neurons. Deep brain stimulation is also discussed as a treatment for advanced Parkinson's.