Get the 12 at-home checks that show whether you're still strong, sharp, and independent — learned from people who made it past 100.

Kent DangI am a field researcher/author who went looking for the people who age best. 9+ interviews with people over 100 · 2 years living in Vietnam · 1 year living in the Philippines · 5 months living with a strong 85-year-old in Ikaria, Greece · 3 months of field research in Costa Rica · I wrote a book about what I found.