June 13, 2012
Theories abound about the effects of birth order on personality, success, and other life outcomes. Last week we quizzed our readers on traits that differed between 23andMe customers who were oldest children (firstborns) versus youngest children (lastborns). Congratulations to Kay, the winner of the quiz! Kay [...]
September 23, 2010
In 2009, 27% of Americans met the clinical criteria for obesity—a body mass index (BMI) of 30 or greater—7 percentage points higher than a mere 9 years earlier. Even this staggering 27% estimate may be too low. A large National Health and Nutrition Examination Study (NHANES) study estimated the prevalence [...]
