The power of the placebo effect – Emma Bryce

View full lesson: http://ed.ted.com/lessons/the-power-of-the-placebo-effect-emma-bryce The placebo effect is an unexplained phenomenon wherein drugs, treatments, and therapies that aren’t supposed to have an effect — and are often fake — miraculously make people feel better. What’s going on? Emma Bryce dives into the mystery of placebos’ bizarre benefits. Lesson by Emma Bryce, animation by Globizco.

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Why do our bodies age? – Monica Menesini

View full lesson: http://ed.ted.com/lessons/why-do-our-bodies-age-monica-menesini Human bodies aren’t built for extreme aging: our capacity is set at about 90 years. But what does aging really mean, and how does it counteract the body’s efforts to stay alive? Monica Menesini details the nine physiological traits that play a central role in aging. Lesson by Monica Menesini, animation…

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The psychology of post-traumatic stress disorder – Joelle Rabow Maletis

How the Brain Processes Danger and Helps Us Cope Many of us will experience some kind of trauma during our lifetime.Sometimes, we escape with no long-term effects.But for millions of us, those experiences linger, causing symptoms like flashbacks, nightmares, and negative thoughts that interfere with everyday life.This phenomenon, called post-traumatic stress disorder, or PTSD, isn’t…

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The mystery of chronic pain – Elliot Krane

View full lesson: http://ed.ted.com/lessons/the-mystery-of-chronic-pain-elliot-krane We think of pain as a symptom, but there are cases where the nervous system develops feedback loops and pain becomes a terrifying disease in itself. Starting with the story of a girl whose sprained wrist turned into a nightmare, Elliot Krane talks about the complex mystery of chronic pain and…

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