Mental illness is best defined as which of the following?

• A. Mental illness is a physical injury alone
• B. A condition that impacts and disrupts a person's thinking, feeling, and mood and may affect his/her ability to relate to others and daily functioning.
• C. Anxiety is the most common mental health condition that affects approximately 18% of the U.S. population. Can be treated successfully usually through combination of medications and psychotherapy.
• D. Mental illness is a temporary condition caused by stress alone.

Answer: (B)