/u/redgoldfilm's posts in /r/askscience

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Did surgeons try general anesthesia in real patients or volunteers before it was considered a safe procedure? What was the process of turning it into a general practice?

292 upvotes

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Why the human body has evolved to protect against weight loss but not against weight gain?

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Is it true that placing a metal spoon inside a glass cup reduces the chances of the glass cracking when pouring boiling water? Why?

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How does the body fight pneumonia caused by COVID if antibiotics can't help when it's not bacteria related?

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Why some vitamin supplements come with as much as 100,000% DV dose knowing that the body will get rid of most of it?

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Does coffee count towards or against water consumption when it comes to hydration needs?

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Title	Upvotes	Mark as read	Favorited	Rating	Add to a list
Did surgeons try general anesthesia in real patients or volunteers before it was considered a safe procedure? What was the process of turning it into a general practice?	292
Why the human body has evolved to protect against weight loss but not against weight gain?	1
Is it true that placing a metal spoon inside a glass cup reduces the chances of the glass cracking when pouring boiling water? Why?	1
How does the body fight pneumonia caused by COVID if antibiotics can't help when it's not bacteria related?	1
Why some vitamin supplements come with as much as 100,000% DV dose knowing that the body will get rid of most of it?	1
Does coffee count towards or against water consumption when it comes to hydration needs?	1