researchers did a study they. they startbe by
looking at city and town dirth records from 1879. they didn't expect to find many
centenarians (hundred- year- olds) in the records, so they were very surprised to find so
many old and healthy people living in okinawa. the united states,for example,hae 10
centenarians per 100,000 people.in okinawa there are 34 centenarians per 100,000 people!