Recent studies have suggested that posing in a powerful position (particularly the wide, hands-on-hip “Superman” stance) influences hormones and behavior. A friend of mine, who is a freelance writer ...

A genetic association exists between a phenotype (e.g., disease) and a specific allele at a genetic marker if the allele occurs more often (than would be expected by chance) in a group of individuals ...

A study of old baseball cards linked smiling with the players' lifespans. A second study failed to replicate the first. Source: American Tobacco Company/Library of Congress The pandemic has made us ...