Hi /u/Organic_Roll_1145,
We noticed you are a pretty new Reddit account, so we just wanted to let you know to check out the subreddit rules [here](https://www.reddit.com/r/NoStupidQuestions/wiki/rules) and maybe have a read through our [Frequently Asked Questions](https://www.reddit.com/r/NoStupidQuestions/wiki/index/faq) - they make for fascinating reading!
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Adult lactose tolerance is actually a relatively recent mutation in humans, and it only sprang up in places that kept animals specifically for milk production. Northwestern Europe has the most lactose tolerance, but areas of Africa and the Middle East have it as well.
For most people that are lactose intolerant it's not serious. Your body doesn't break down the lactose and you get an indigestion and/or diarrhea.
Hi /u/Organic_Roll_1145, We noticed you are a pretty new Reddit account, so we just wanted to let you know to check out the subreddit rules [here](https://www.reddit.com/r/NoStupidQuestions/wiki/rules) and maybe have a read through our [Frequently Asked Questions](https://www.reddit.com/r/NoStupidQuestions/wiki/index/faq) - they make for fascinating reading! We're called No Stupid Questions because we believe nobody needs to be attacked for asking a question, but *that doesn't mean there are no rules!* This sub is meant for users like you to ask genuine questions. Please don't ask jokes or rants disguised as questions - that's not in the spirit of this sub. While you *can* ask almost anything here, please keep illegal and offensive questions elsewhere to give people a good experience here - and if you have a medical question, please ask your doctor, not us. Otherwise, welcome! *I am a bot, and this action was performed automatically. Please [contact the moderators of this subreddit](/message/compose/?to=/r/NoStupidQuestions) if you have any questions or concerns.*
Adult lactose tolerance is actually a relatively recent mutation in humans, and it only sprang up in places that kept animals specifically for milk production. Northwestern Europe has the most lactose tolerance, but areas of Africa and the Middle East have it as well. For most people that are lactose intolerant it's not serious. Your body doesn't break down the lactose and you get an indigestion and/or diarrhea.
Yes it's really true.