Choose the best definition of depression from the options listed below.
A. Feeling blue or sad for the day
B. A mood disorder that does not affect how you think, feel and function
C. A serious depressive mood disorder that causes severe symptoms that affects how you think feel, think and function and that lasts for at least 2 weeks
D. A mild depressive mood disorder that makes you feel sad
Answer: C. A serious depressive mood disorder that causes severe symptoms that affects how you think feel, think and function and that lasts for at least 2 weeks