[dageshi]

House was at least in part based on Sherlock Holmes who infamously had his 7% Cocaine solution. It's not entirely unreasonable to think the writers of House would update that to be pills.

Not everything is some vast conspiracy...

[coliveira]

Except that this was such a small detail on Sherlock Holmes novels that few people remember it.

[themadturk]

Except that the author of one of the best of Holmes pastiche novels, Nicholas Meyer, titled one of his books "The Seven Percent Solution."

[mrguyorama]

It's such a "small detail" that nearly every modern interpretation of the character likes to portray it for the "fans"

[h2odragon]

"vast conspiracy"?

How would "hey we can include your product in our TV show" be a "vast conspiracy"? It's done all the time, with no one hiding any aspect of the business.