this post was submitted on 22 Aug 2024
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Showerthoughts
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A "Showerthought" is a simple term used to describe the thoughts that pop into your head while you're doing everyday things like taking a shower, driving, or just daydreaming. The most popular seem to be lighthearted, clever little truths, hidden in daily life.
Here are some examples to inspire your own showerthoughts: 1
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Interesting, I never thought about this. It makes sense. Early peoples definitely took measures to reduce bites. Burning specific plants that repel them. Slathering their skin with mud, clay, or oils. Crafting mosquito resistant clothing and bedding. For thousands of years before germ theory.
While mosquito bites are unpleasant in themselves due to the itching and swelling I don't think it's common for cultures to have worked out the causal relationship between mosquitos and diseases like malaria. But I'd be happily educated otherwise.
Well the point is that people who had a bad reaction to mosquito bites tend to avoid getting them. Therefore they tend to live longer because they also happen to avoid the diseases, live longer and have more babies. They don't need to understand anything.
The point is that the itching evolved because it could be beneficial for us. The bites are not unpleasant in themselves as you say. They are unpleasant because we evolved to feel them unpleasant. It is the same as sex being pleasant. It is that way because it is beneficial.
Biting insects kill more people than any other animal group by miles, the reaction response is more or less the same in every mammal. Evolution doesn't evolve to anything, that's selective pressure.
This behavior predates humans as we know ourselves today.
I take issue with this obvious selection bias. Of course this is true when you're pre-selecting for only the insects that bite people. If you were to preselect only those sharks that have bitten people, so-called biting sharks, I think the shark-bitten people have a higher average early mortality than the insect-bitten people. /s