this post was submitted on 29 Dec 2023

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Ancient wisdom often sounds like common sense now that it is commomly taught. What is some ancient wisdom that we no longer teach because it was wrong? (lemmy.world)

submitted 8 months ago by [email protected] to c/[email protected]

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[–] [email protected] 20 points 8 months ago

The bible.

[–] [email protected] 19 points 8 months ago

Anyone reading this thread and genuinely interested in it should go listen to the dollop podcast. It's American history, mostly between the 1500's and now. But the different episodes they do are stuffed full of this kind of faulty logic from the past.

[–] [email protected] 19 points 8 months ago (2 children)

I don't know how common it is but my grandmas always said that you shouldn't eat pork after being released from the hospital or while sick. Then I finally remembered to ask a doctor about it and he said there's no such thing.

[–] [email protected] 14 points 8 months ago (6 children)

I understand that the notion behind it is to eat easy to digest foods, instead of red meat, in order not to burden your body trying to metabolise them while it is also fighting a disease.

I can sort of get behind this, but I also say you still need your protein. Over here a chicken stew is quite commonly given to sick people, maybe for this reasoning.

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[–] [email protected] 12 points 8 months ago

Cheap Pork is the best medicine. Eat it three times a day. It's full of antibiotics. /s

[–] [email protected] 18 points 8 months ago

That there is a god (or gods)

[–] [email protected] 18 points 8 months ago (1 children)

Blood letting. Have a fever, must be to much blood inside you.

[–] [email protected] 7 points 8 months ago (2 children)

Blood letting actually does have medical basis, especially for people that suffer from hemochromatosis.

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[–] [email protected] 15 points 8 months ago* (last edited 8 months ago) (2 children)

What goes up comes back down.

Apply math and the object flies in a parabolic arc (not accounting for air friction and wind)

Launch it high enough and the arc start looking elliptical. Gravitational force looks less like a constant rather is tempered by distance². If the acceleration closes the ellipse without hitting the (circular at this scale) ground, your object is now a satellite in orbit.

Keep accelerating and eventually (a whole lot of acceleration) and special relativity factors affect the trajectory...and mass...and time dilates between the object and observers.