Personality types A, B, C, and D group people according to key personality traits. These types may affect many areas of life, including an individual’s health. Essentially, the personality types A, B, ...

People love taking personality tests, but are personality types real? Maybe, and maybe not. Personality development is complicated, and most healthy personality types are not so easily defined. Your ...

Dimensional models of personality disorders are increasingly popular, but do they obscure real clinical syndromes?

Don't despair if you wish your personality would change. New research shows that there's plenty to look forward to in terms of growth as you get older.