I've been doing research on ADDICTION...
The Big Bang Theory Season 1, Episode 10
As the middle child, your ADDICTION
is rooted in your unmet need for attention.
The Big Bang Theory Season 1, Episode 10
...gambling ADDICTION
and sexually-transmitted diseases.
The Big Bang Theory Season 2, Episode 21
He's one of the animals in my
department's nicotine ADDICTION study.
The Big Bang Theory Season 4, Episode 21
Oh, yes, online gaming ADDICTION.
The Big Bang Theory Season 2, Episode 3