Diseases?

[Kleptic]

Why are some things like ADD, alcoholism, obesity, and OCD considered diseases? ADD (and OCD) to me seems like a behavioral pattern, not a disease. When did things like this stop being part of someones personality and start being diseases? I've heard alcoholism called a disease and this confuses me. An addiction is a chemical dependancy but is still part of the way a person behaves. They stop being alcoholics by will power, not their immune system. Obesity is a side effect of overeating. Both are easily preventable by something called self-control but people call obesity a disease and say theres an "epidemic" (especially in America). You don't suddenly catch 20 pounds like a winter cold.

All these things seem to be part of who people are and how they act, but they are being singled out as diseases. Am I missing something? or are people simply narrowing down what a person "should be" with these terms. With each new disease people assume that they shouldnt be that way. Soon there will be a name and disease for every quirk, imperfection, and oddity in the human personality. And we will all get treatment and medication because we think there is something wrong with us. Turning the bulk of humanity into one boring pot of crap. All because other people say there is omething wrong with us. *phew* ok im done ranting. I'm gonna go take my Ritilin and go to an AA meeting. Tell me how you guys feel.