
...gambling ADDICTION
and sexually-transmitted diseases.
The Big Bang Theory Season 2, Episode 21

neurobiology of ADDICTION
in lower animals.
The Big Bang Theory Season 5, Episode 6

He's one of the animals in my
department's nicotine ADDICTION study.
The Big Bang Theory Season 4, Episode 21

As the middle child, your ADDICTION
is rooted in your unmet need for attention.
The Big Bang Theory Season 1, Episode 10

Oh, yes, online gaming ADDICTION.
The Big Bang Theory Season 2, Episode 3