The World Health Organization estimates that all mental disorders combined account for _____ percent of all disability worldwide.

"Adolescence is so turbulent because it mimics a turbulent period in human history." This statement most closely reflects the view of

A) Margaret Mead. B) Sigmund Freud. C) G. Stanley Hall. D) Urie Bronfenbrenner.

After cardiovascular disease and cancer, the most common killer among the aged is/are

A) stroke. B) respiratory diseases. C) Alzheimer's disease. D) unintentional injuries.