There is no solid evidence that what is said under the influence of a "truth" drug correlates reliably with the truth.

CNN: 'Truth serum' won't reveal mind of James Holmes

Some years ago Angell wrote: The Truth About Drug Companies: How They Deceive Us and What To Do About It.

FORBES: Marcia Angell's Attacks on Pharma Have Lost all Credibility

Marcia Angell, a lecturer at Harvard University, former editor of The New England Journal of Medicine and author of The Truth About Drug Companies, wrote in an e-mail that ghostwriting practices are "evidently very common" in medicine.

FORBES: Pharma's Ghosts

Glaxo should demonstrate its willingness to learn the truth about its blockbuster drug, whatever the data demonstrate that truth to be.

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The truth is that most doctors interact with drug companies for good reasons.

FORBES: Magazine Article

At this point in our political and medical culture many folks take it as a received truth from above that doctors should not be consulting with drug and device companies.

FORBES: Do You Want Your Doctor Working On The Side For Drug Companies?

Unfortunately, they have not been repeated which outlines one of the greatest difficulties in the effort to assess marijuana's value as a medical drug: doing trials to find out the truth.

ECONOMIST: Marijuana as a medicine

Mark Lanier, the plaintiff's lawyer, made much of Merck's allegedly deliberate economy with the truth, and played on the current public hostility towards the drug industry to win his case.

ECONOMIST: Pharmaceuticals

This loss of inhibition gave a few researchers hope that the drug or something like it could be used to get the truth out of people in police stations, security interrogations or trials.

CNN: 'Truth serum' won't reveal mind of James Holmes

But outside of Hollywood, no drug passes muster as a potion capable of getting accurately at the truth.

CNN: 'Truth serum' won't reveal mind of James Holmes