A study has shown that a policy banning pharmaceutical industry gifts in US medical schools has beneficial effects on prescribing behaviour once students enter clinical practice. Numerous studies have demonstrated that even small gifts from drug companies, such as pens and meals, influence healthcare professionals' prescribing behaviour and their attitude towards the pharmaceutical industry (1). Counterintuitively, a small gift has the potential to influence the recipient more than a large one, specifically because the recipient tends to be unaware of its influence (1).
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