A new study redefines obesity, revealing higher health risks for millions. The updated criteria include measures of body fat ...

The "big 5" traits are agreeableness, openness, conscientiousness, neuroticism, and extraversion. After this research was ...

Personality is not fixed. It’s a living mix of biology, experience, and choice, constantly reshaped as we grow.

A new definition of obesity endorsed by 76 health organizations could dramatically increase the number of Americans ...