It's not like people with clinical depression never laugh at all. Occasionally they get temporarily released from the state of being imprisoned in Depression. During such instances, they tend to laugh like everybody else. But there's a specific group of People under Depression who tend to laugh a lot more than the regular ones. read more
Of course I do and I have clinical depression due to a chemical imbalance in my brain. I laugh and smile a lot. I am a happy person even though I am depressed most of the time. read more