Group 1 - The report indicates a trend of younger onset of hemorrhagic stroke in China, with rural areas showing higher incidence rates compared to urban areas [1] - Stroke is the leading cause of death and disability among adults in China, accounting for approximately one-third of global stroke-related deaths [1] - Over 85% of hemorrhagic strokes can be prevented through the control of risk factors such as high systolic blood pressure, poor diet, air pollution, and tobacco dependence [1] Group 2 - There are currently 15.07 million dementia patients in China, with Alzheimer's disease accounting for 9.83 million cases, representing 65.2% of the total [2] - The prevalence of dementia among individuals aged 60 and above is 6.0%, with an annual incidence rate of 204.8 per 100,000 and a mortality rate of 34.6 per 100,000 [2] - Controllable risk factors for dementia include hypertension, diabetes, obesity, excessive alcohol consumption, smoking, and social isolation, which if managed effectively, can significantly reduce the risk of developing dementia [2]