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Visit to get our entire library of TED Talks, subtitles, translations, personalized Talk recommendations and more. “Doctor, is this really necessary?“ Backed by startling statistics about overtreatment, neurosurgeon Christer Mjåset explains the power of this and other simple questions in the context of medical treatment and surgery — and shares how patients can better work with doctors to get the care they need. The TED Talks channel features the best talks and performances from the TED Conference, where the world's leading thinkers and doers give the talk of their lives in 18 minutes (or less). Look for talks on Technology, Entertainment and Design — plus science, business, global issues, the arts and more. You're welcome to link to or embed these videos, forward them to others and share these ideas with people you know. For more information on using TED for commercial purposes (e.g. employee learning, in a film or online course), please submit a Media Request here: Follow TED on Twitter: Like TED on Facebook: Subscribe to our channel:
