To head off a public health crisis, China is stepping up efforts to find new treatments for Alzheimer’s disease and Parkinson’s disease. As its population ages, the country already has more cases of these neurodegenerative diseases than anywhere else in the world and their prevalence is rising faster than the global average. Cases of Parkinson’s disease in China are forecast to rise from 3.6 million in 2024 to 10.5 million in 2050, while the number of people in China with dementia is projected...