Ideas change everything
WATCH
TED Talks
Browse the library of TED talks and speakers
Playlists
100+ collections of TED Talks, for curious minds
TED Series
Go deeper into fascinating topics with original video series from TED
TED-Ed videos
Watch, share and create lessons with TED-Ed
TEDx Talks
Talks from independently organized local events
TED Fluent
Watch TED Talks in your language
DISCOVER
Topics
Explore TED offerings by topic
Podcasts
Explore the TED Audio Collective
Ideas Blog
Our daily coverage of the world of ideas
Newsletters
Inspiration delivered straight to your inbox
TED Games
Innovative games that challenge you to think differently
ATTEND
Conferences
Take part in our events: TED, TEDGlobal and more
TEDx Events
Find and attend local, independently organized events
TED on Screen
Experience TED from home
TED Courses
Learn from TED speakers who expand on their world-changing ideas
PARTICIPATE
Nominate
Recommend speakers, TED Prize recipients, Fellows and more
Organize a local TEDx Event
Rules and resources to help you plan a local TEDx event
TED-Ed
Award-winning educational content and programs
Translate
Bring TED to the non-English speaking world
TED Fellows
Join or support innovators from around the globe
ABOUT
Our Organization
Our mission, history, team, and more
Conferences
TED Conferences, past, present, and future
Programs & Initiatives
Details about TED's world-changing initiatives
Partner with TED
Learn how you can partner with us
TED Blog
Updates from TED and highlights from our global community
Type to search
为什么医生曾让患者“流血”
292,585 plays
|
Stephanie H. Smith
|
TED-Ed
• June 2025
Read transcript
放血疗法在古希腊时期是常见的治疗疾病的手段，并且持续到了19世纪。内科医生如希波克拉底认为身体不好可以归因于体液的不平衡，并且建议用放血来重塑身体平衡。那么为什么放血疗法可以持续那么多年？斯蒂芬妮·洪切尔·史密斯深入探讨了它的流行史和缺点。[导演：丹尼斯·斯波利塔克，旁白：艾迪生·安德森，音乐：杰姆·米西尔利奥卢，WORKPLAYWORK]。
TED is supported by ads and partners
