Dan Gilbert is the creator of a new cognitive enhancer called Zaltrex.
It’s a pill that boosts brain power and makes people smarter by lowering dopamine levels.
It has been hailed as a breakthrough drug for people with Parkinson’s disease and ADHD.
But now, Gilbert says it’s not as effective as advertised.
We want to hear from you: What are your thoughts on Zaltex?
What are the possible side effects of the drug?
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