NAGANO—Okinawa Prefecture once boasted the longest life expectancy in the country, but it has now dropped well out of the top 10.

Okinawan men fell from first to 43rd while women slipped to 16th in the last life expectancy survey, a slide that is expected ...

Ever wondered what it would be like to blow out 100 birthday candles while still having enough lung power left to laugh about it? For most of us, hitting the century mark seems like a far-fetched ...