People that are dependent on marijuana may be using it to cope with a mental health disorder. Masking mental illness with weed can turn into dependence.

Ever wonder why you can’t stop yourself from indulging in food? You might have a food addiction. There has never been a way of diagnosing or even treating food dependence — until recently.

Illegal street drugs are not the only drugs associated with violent behavior.  Various prescription drugs have been linked to violent outbursts, even homicide, by mental health patients.