Nature released the results of an online survey in which 20 percent of respondents, largely drawn from the scientific community, admitted to using brain-enhancing drugs like Ritalin (methylphenidate) and Provigil (modafinil).
Sixty-two percent of the scientists who had taken drugs used Ritalin while 44 percent reported using Provigil and only 14 percent had tried beta blockers like propranolol.
The 1,427-person survey was launched after a duo of articles this winter touched off a storm of questions about widespread neuroenhancer use by the scientific community.
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