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Testing painkillers on humans – why hold back?

Deliberately inflicting carefully controlled painful stimuli on human volunteers could reduce costs and speed up development of new painkilling drugs, according to a new study by Dr Jörn Lötsch of Goethe-University Frankfurt. Elly Earls met the veteran pain researcher to find out if the future of analgesic drug development really is set to be a case of no pain, no gain.


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