A new study suggests that people with early-stage Parkinson’s disease who regularly got one to two hours of moderate exercise twice a week, like walking or gardening, may have less trouble balancing, walking and doing daily activities later. The research is published in the January 12, 2022, online issue of Neurology, the medical journal of the American Academy of Neurology. Researchers found that those who exercised regularly over five years did better on cognitive tests and had slower progression of the disease in several aspects.