*This is a horrible criteria. People found blood letting useful as a treatment.*... | Hacker News

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Evgeny on March 14, 2014 | parent | context | favorite | on: The Truth About Speed Reading

This is a horrible criteria. People found blood letting useful as a treatment.

Maybe that was the only or the best tool available to them. Maybe it was actually beneficial.

Bloodletting's Benefits

http://www.webmd.com/men/news/20040910/bloodlettings-benefit...

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