Did I tell you our lab got a grant
to study ADDICTION?
The Big Bang Theory Season 4, Episode 20
...gambling ADDICTION
and sexually-transmitted diseases.
The Big Bang Theory Season 2, Episode 21
I'm right in the middle
of my ADDICTION study.
The Big Bang Theory Season 5, Episode 15
Oh, yes, online gaming ADDICTION.
The Big Bang Theory Season 2, Episode 3
I've been doing research on ADDICTION...
The Big Bang Theory Season 1, Episode 10