Protecting the human rights of people who use psychedelics [full-text]
Krebs TS. Lancet Psychiatry. 2015 Apr.
Featured in Newsweek.
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Mental health and suicidal behavior in psychedelic users: A population study [full-text PDF]
Johansen PØ, Krebs TS. Journal of Psychopharmacology. 2015 Mar.
Featured in Nature News and The Scientist (read more news).
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Psychedelics and mental health: a population study [full-text]
Krebs TS, Johansen PØ. PLoS One. 2013 Aug.
Ranked in Top 100 Most Popular Scientific Articles of 2013.
Featured in Popular Science and The Scientist (read more news).

Over 30 million psychedelic users in the United States [full-text] 
Krebs TS, Johansen PØ. F1000Res. 2013 Mar.
Featured in Medical Daily.

Lysergic acid diethylamide (LSD) for alcoholism: meta-analysis of randomized controlled trials [full-text PDF]
Krebs TS, Johansen PØ. Journal of Psychopharmacology. 2012 Jul.
UK National Health Service, independent assessment: “The review was generally well conducted and the authors’ cautious conclusions are likely to be reliable.”
Featured in Nature News and BBC News (read more news).

How could MDMA (ecstasy) help anxiety disorders? A neurobiological rationale [full-text PDF] 
Johansen PØ, Krebs TS. Journal of Psychopharmacology. 2009 Jun.
Featured in Reuters Health and Mother Jones (read more news).