this post was submitted on 20 Nov 2025

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The US CDC has updated its vaccine safety page to promote long-discredited claims about vaccines—namely that they cause autism (www.cdc.gov)

submitted 8 hours ago* (last edited 8 hours ago) by kapanig@lemmy.world to c/science@lemmy.world

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[–] snooggums@piefed.world 9 points 2 hours ago (1 children)

That theories are valid only because they have yet to be disproven.

No, scientific theories are valid because they are overwhelmingly supported by evidence.

While it is true that they can be changed or replaced by evidence that dos not fit the theory, they are not just speculation waiting to be disproven. The 'biggest weakness' you are describing is a complete misunderstanding of science.

Your last sentence is correct, but also contradicts your first paragraph.

[–] acosmichippo@lemmy.world 1 points 49 minutes ago

yes, when people colloquially say "theory" they usually mean "hypothesis".