People who suffer from are so preoccupied by unwanted repetitive thoughts and/or actions that they have difficulty functioning in their daily lives.

In what ways are some local executive branches structured in a similar manner to state executive branches, and in what ways are some structured differently?

Experiment to investigate effect of medication on levels of stress in males and females. dependant variable?

Explain comment: much of the thought upon which present-day democratic government rests began as a challenge to the theory of the divine right of kings