In central China’s Wuhan city, taxi driver Xiao Weiguo starts his workday at 5 a.m. After 9.5 hours on the road on a Friday afternoon, he had a grand total of just eight customers.

Study: Alzheimer’s disease mortality among taxi and ambulance drivers: population based cross sectional study. Image Credit: WR7 / Shutterstock.com A recent BMJ study analyzes Alzheimer’s ...