Nearly 188,000 dementia cases in the U.S. each year may have been caused by air pollution, researchers estimate, with bad air quality from wildfires and agriculture showing the strongest links to a person’s risk of Alzheimer’s disease and other kinds of dementia later in life. 

Published Monday in the journal JAMA Network Open, the new estimates are the latest to underscore the range of health risks scientists have long warned are being driven by air pollution. 

While studies have already…