a substantial and irreversible impairment of a major physical or mental function.

Mental health can be just as important as physical health - and major depression is one of the most commonly diagnosed mental illnesses.

It's more mental than physical. You really gotta have it between your ears.

Mental toughness is to physical as four is to one.

It's the physical part for Andre: Is Andre going to be fresh enough? ... And it's the mental part for James: Is it going to be too overwhelming for him? He's playing a guy he really looks up to and respects. A lot of times that's like being down a break.

There was mental and physical abuse in my family.