Baggy, saggy eyes.

Dilated pupils.

Paranoia.

Sores on their faces.

Tooth Decay. 

Burns on the body.

Sores on their faces and/or bodies.

 skinny, weight loss.

No sleep for days.

Sleeping for long periods of time.

Chipped teeth.

 Stealing.

Not eating much.

Weak or lack of strength.

Very aggressive behavior.

Speaking at a fast rate, or not at all.

Cleaning, organizing for along period of times.

Acting on impulse.