On her 105th birthday, Dominguita Velasco danced so long that her worried family asked her to sit down. When she turned 111, she had a party with friends and family...

From alchemists and the Philosopher’s Stone to Ponce de Leon and the Fountain of Youth, history is full of stories of people searching for a way to extend life indefinitely....

Genome-wide association studies, the research projects that connect SNPs to different traits and conditions (and fuel much of the 23andMe Health and Traits feature), focus on fairly common genetic variations...