Summary: A century old drug, methylene blue, may be able to provide a cure for Parkinson's and Alzheimer's by slowing the cellular aging. The dose required is very low, the equivalent of a few raindrops in four Olympic sized pools, but the small dose slows the cellular aging and improves mitochondrial functions, which helps people with Parkinson's or Alzheimer's to stay healthier for longer.

Comment: Alzheimer's and Parkinson's are often affected by aging, so this drug that slows aging could slow the progress of the diseases. The researchers believe that even though this drug was never previously considered as a treatment it could provide a higher quality of life for those with the diseases. They also believe that after more research methylene blue could become a commonplace drug like aspirin, and that it could also be prescribed as a blood thinner.