What causes 'old person' smell? And why do men have nipples?

Happy Thursday And also, happy Thanksgiving to our American friends! Your celebrations may look different this year but however you're spending your day, we hope it's filled with happiness and good health. Now let's get to the bottom of these weird and wacky questions about the human body! How Long Can a Person Safely Hang Upside Down? By Jesslyn Shields Does hanging upside down make you feel a little panicky? Like it might explode your head? Or like your eyes might pop out of their sockets? Although none of these things would happen, it doesn't mean it's harmless either. Read more >> What Causes 'Old Person' Smell? The cause of the musty smell in grandma's house may actually be … grandma. Read more >> What Happens If You Don't Poop for 47 Days? Let's just say you'd be in a crappy situation. Read more >> Why Do Men Have Nipples?   Why have some species lost this unisex trait, but men haven't? And can human men actually produce milk? Read more >> What Would Happen if I Never Cut My Fingernails? Many people spend hours perfecting their manicures. But did you ever stop and think what could happen if you simply let them go? Read more >> Is It Possible To Swallow Your Tongue? The human tongue is essential for speaking and eating ice cream. Ever worry about swallowing yours? We can put that concern to bed. Read more >> Many Animals Eat Grass So Why Don't Humans?   After all, grass is green, just like lettuce, broccoli and spinach. It has to be good for you, right? Not really. Read more >> What random fact do you know?   Reply to this email so we can feature your answer in a future newsletter!  Riddle of the Day! Everyone has it and no one can lose it, what is it?   Check Your Answer Copyright © 2020 HowStuffWorks, All rights reserved. You are receiving this email because you opted in at our website howstuffworks.com Our mailing address is: HowStuffWorks 1501 Main St Suite 101 Venice, CA 90291 Want to change how you receive these promotional emails? You can update your preferences or unsubscribe from this list