Here is part 5 of Interesting Human Body Facts.

1-5 Interesting Facts About Human Body


1. Scientists at UCLA noticed that “time and time again” people suffered their first experience with anxiety or depression right after stomach illnesses. They did brain scans after patients ate probiotics, and found that stomach bacteria actually directly affected connectivity of the brain. – Source

2. There is an ancient “second brain” in the stomach that is neurologically active and responsible for feelings like “butterflies in the stomach.” – Source

3. In order to prove that the bacteria H. pylori could cause stomach ulcers, an Australian doctor named Barry J. Marshall drank a culture of H. pylori, developed an ulcer, and successfully treated it with antibiotics. He won a Nobel Prize for it in 2005.- Source

4. Newborn babies, when left to lie on their mother’s stomach for the first hour will crawl up and attach to their mom’s nipple without assistance. They are attracted to the nipple’s similar smell to amniotic fluid. – Source

5. A man was brought to the emergency room with a BAC of 0.37% though he claimed to have not consumed any alcohol all day. Yeast in his stomach was brewing alcohol out of the food he was eating. – Source

6-10 Interesting Facts About Human Body


6. Lipstick may contain metal in toxic amounts. Daily use of lipstick and/or lip gloss may expose women to excessive amounts of the metal chromium which is associated with stomach cancer. Also, 75% of products tested contain lead. There is no way for consumers to find out a product’s metal content. – Source

7. There is a genetic disorder that causes a constant feeling of starvation. Left unchecked, sufferers of Prader-Willi Syndrome can eat until their stomachs rupture. – Source

8. Dinka tribesmen of Sudan sometimes rupture their stomachs by overeating in preparation for ‘fat-man’ contests. Deaths this way are considered a honorable way to die. – Source

9. The appendix may not just be vestigial in humans; a 2007 study suggested that appendices serve as safe havens for “good bacteria” when illness flushes other bacteria from the intestines. Afterward, the useful bacteria can quickly repopulate the intestines. – Source

10. Coffee makes the end of your intestine start contracting, like you are prepping for poop even if you have none. That why so many people want to poop after. – Source

11-15 Interesting Facts About Human Body

Typhoid Mary

11. Typhoid Mary was the first identified asymptotic carrier of typhoid, attributed to 3-50 deaths, and still had evidence of living typhoid salmonella bacteria in her gallbladder after her death. She was quarantined for the last 23 years of her life. – Source

12. High-fiber diets work to lower your cholesterol in a roundabout way: by interfering with bile absorption in the intestines. Because the bile can’t get absorbed as well, the bile gets flushed out with your poop, and so the body makes more bile salts, using cholesterol as fuel. – Source

13. To understand diabetes, a lock and key analogy is useful. To provide energy to cells, insulin (the key) unlocks cells to let sugars in. Type-A is the pancreas producing too few keys, so insulin is injected. Type-B means rusty keyholes, which can be fixed with exercise, weight loss, or medicine. – Source

14. If you donate your kidney without specifying a recipient, you can start a domino donation chain getting thousands of people new matching kidneys. – Source

15. When you receive a kidney transplant, your own kidney isn’t removed. It usually stays where it is and a third kidney is placed in your pelvis. – Source

16-20 Interesting Facts About Human Body


16. Drinking lemonade helps keep kidney stones from forming. It is useful if you are prone to kidney stones. – Source

17. Human kidneys can only make urine that is less salty than salt water. Therefore, to get rid of all the excess salt taken in by drinking seawater, you have to urinate more water than you drank. Eventually, you die of dehydration even as you become thirstier. – Source

18. During the embryo development 3 sets of kidneys develop, but only two remain to become the permanent adult kidneys. – Source

19. You urinate more when you’re cold because of an increase in your arterial blood pressure caused by blood being taken away from your extremities and crammed in your core. Your kidneys shed fluid to try and stabilize it. – Source

20. If kidney cells didn’t have aquaporins, which allow cells to reclaim water from urine, humans would have to excrete about 180 L of urine per day. – Source

21-25 Interesting Facts About Human Body


21. Humans usually get the urge to pee when the bladder is just 1/3 full. But in zero gravity, the urge doesn’t kick in till the bladder is almost completely full. When John Glenn orbited the Earth, his only urination was 27 ounces, seven ounces more than the capacity of an average human bladder. – Source

22. The number of sweat glands you have is directly related to the temperature you experienced as a baby. – Source

23. Kegel exercises can be beneficial for men as well. Men who do kegels tend to have stronger erections and orgasm, they typically last longer in bed, have an increase in angle of erection and develop increased bladder control. – Source

24. “Morning wood” occurs during REM sleep when certain neurotransmitters slow down which normally control blood flow. Morning wood also helps with bladder control at night. – Source

25. All mammals take about 20 seconds to pee no matter how large their bladder is – Source

Categorized in:

Fact List, Humans, Science,

Last Update: October 20, 2016

Tagged in: