In medicine, a<unk> is a functional abnormality or disturbance.
In many cases, the terms<unk> ", "disease" and "illness" are used interchangeably. However, the term<unk> " is often considered more value-neutral than the term "disease", and is preferred by some patients with these conditions.[citation needed]
Medical<unk>  can be categorized into mental<unk>  or physical<unk> . Mental<unk> is the far more common term and physical<unk> is mostly used just for distinction purposes.
Disorder 
Drug dependence
Integration disorder
Drug addiction
Emotional conflict
Mental disorder
Substance abuse
Disability