Numerous accounts and scientific reports suggest that you're more prone to tell the truth under the effects of truth serum drugs, but the drugs have other side effects. Furthermore, not only are truth serum drugs not all that useful, they are illegal under certain circumstances including interrogation. ScopolamineZchanguScopolamine was first promoted by Dr. Robert House as a truth serum in the early 20th century, and was the first drug to adopt the name "truth serum." A truth serum experimentThe best way to find out if truth serum works is to experience it for yourself, which is exactly what TV journalist Michael Mosley did. To investigate sodium thiopental, one of the more popular truth serum drugs, Mosley took two different doses of the drug.

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