The Diagnostic Gap in Parkinson's Care | Dr Alistair Mackett

Even in 2026, Parkinson's is still diagnosed the same way it was in 1817 - by clinical observation, two centuries after James Parkinson first described it. By the time you walk into a specialist's clinic, more than half the neurons in the affected part of your brain are already gone. That's the problem Dr Alistair Mackett wants the field to confront.