why do hairs grow differently (usually thicker and faster) coming out of a mole?
In: Biology
See this [comment](https://www.reddit.com/r/explainlikeimfive/comments/1mw52n/eli5_why_is_hair_growing_out_of_moles_thicker/) on an archived post:
> Moles are basically a tumor. The unusual cell cluster pushes on the follicle, making it grow hair faster than usual. (…)if your mole grows hair that’s a sign it’s not cancerous.
I’ve been told because there’s a richer / higher blood supply to a mole then there is to an area of skin where there is no mole. Not sure if true but that’s what I’ve heard mate.
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Can hairs occur on the inside of the body?
Speculation here but might have something to do with aerobic glycolysis, which is a feature of many cancers(which moles share a lot of traits with) and also a feature of the brain’s metabolism, on top of which lots of hair grows.
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I’m not sure if I can add on to a question, and sorry if this is stupid, but is there a reason why someone wouldn’t remove the hairs? (other than preference of course).
I’ve seen a few people with moles that have an extremely long hair growing from it, like 2-3cm. Just curious after seeing multiple people with this if there’s any medical reason behind leaving it? Is it extra painful to pluck compared to normal? Or more likely just the person’s preference?
I’ve never had hair grow out of a mole so I really don’t know!
Edit: interesting replies thank you!
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I actually asked a dermatologist who specializes in skin cancer this. He basically said they don’t really know, not enough scientific research has gone into it. But as someone said before, it’s often a sign they’re not cancerous
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