The discovery of the first chemical to prevent the death of brain tissue in a neurodegenerative disease has been hailed as an exciting and historic moment in medical research.

More work is needed to develop a drug that could be taken by patients.

But scientists say a resulting medicine could treat Alzheimer’s, Parkinson’s, Huntington’s and other diseases.

The University of Leicester discovery showed all brain cell death from prion disease in mice could be prevented.

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