A unique vaccine rollout in Wales gave researchers an accidental natural experiment that revealed a striking reduction in dementia among seniors who received the shingles vaccine. The protective ...

Moving to more polluted areas was associated with an increase in body mass index, according to an analysis of more than 46,000 children and adolescents living in Catalonia. A large natural experiment ...

“Estimating the Impact of Integrated Student Support on Elementary School Achievement: A Natural Experiment” uses the random component of a large urban school district’s school assignment system to ...

Born on the same day, Bill and Ben both grew up to have high status. But in every other way they were polar opposites. People who have lived through floods, heat waves, or other climate-related ...

A shingles shot may do more than prevent rash — it could help shield the aging brain from dementia, according to a landmark study using real-world data from the UK. Study: A natural experiment on the ...