While side effects from medication are rarely due to prescribing errors, most are a known risk that will affect a very small proportion of those prescribed the treatment. Photograph: Thinkstock

Sir William Osler, the renowned Canadian doctor and educator, wrote: “One of the first duties of the physician is to educate the masses not to take me(...)

Can doctors overdiagnose? At first glance it seems like a silly question. Surely diagnosis is one of our prime functions as medics? Patients expect it(...)