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Doi
Abstract
Placebo and placebo effect are important issues related to the drug therapy for clinical and scientific meanings. The rates of placebo
may get as many as 50% for analgesic drugs in headache. The high answer to placebo brings questions on pathophysiology of headache. Answers may offer a new strategy in the implementation of trials and new insight in neurophysiology of headache. Current knowledge on
placebo and placebo effect will be analysed and dicussed looking for new direction in headache field
