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by Akinato
1968 days ago
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I remember seeing an article on hacker news before about this. Someone actually worked out the math and you're right: there's such an infinitesimally small chance of having both and there is likely zero connection between the two conditions. |
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I can find sources that suggest the rate of children being born blind is on the order of 1 in 10000 [1], and that the rate of schizophrenia is on the order of 1 in 1000 [2] (and the actual numbers in those articles are slightly larger).
Multiplying those, you'd expect 1 in 10 million people (conservatively) to have both. That means there should be a few tens of people with both in the USA, and a few hundred worldwide, if the conditions are independent.
[1] https://jamanetwork.com/journals/jamapediatrics/article-abst...
[2] https://journals.plos.org/plosmedicine/article?id=10.1371/jo...