<ol><li>Sugar is as bad for you as cigarettes</li><li>An hour's sleep could make you happier than $60,000</li><li>Chewing gum boosts your brain power</li><li>Coffee can help ward off depression</li><li>Being optimistic can save your life</li><li>Cash machines are as dirty as public toilets</li><li>Less than one per cent of bacteria cause disease</li><li>Women are nine times more likely to suffer from a broken heart</li><li>Stretching before running may lower your endurance</li><li>"Text-neck" is an epidemic</li></ol>

10 surprising health facts you should know

Interesting facts about Human Body - Did you know the human brain is more active at night than during the day? Tap here to know interesting facts about human body .

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<ul><li>1. <img src="https://www.medindia.net/facts/images/img1.jpg"> The average red blood cell lives for 120 days. </li><li>2. <img src="https://www.medindia.net/facts/images/img2.jpg"> There are 2.5 trillion (give or take) of red blood cells in your body at any moment. To maintain this number, about two and a half million new ones need to be produced every second by your bone marrow.That's like a new population of the city of Toronto every second. </li> </ul>

<ul><li>3. <img src="https://www.medindia.net/facts/images/img3.jpg"> Considering all the tissues and cells in your body, 25 million new cells are being produced each second. That's a little less than the population of Canada - every second ! </li><li>4. <img src="https://www.medindia.net/facts/images/img4.jpg"> A red blood cell can circumnavigate your body in under 20 seconds. </li><li>5. <img src="https://www.medindia.net/facts/images/5.gif"> Nerve Impulses travel at over 400 km/hr (249 mi/hr). </li> </ul>

<ul><li>6. <img src="https://www.medindia.net/facts/images/img6.jpg"> A sneeze generates a wind of 166 km/hr (100 mi/hr), and a cough moves out at 100 km/hr (60 mi/hr). </li><li>7. <img src="https://www.medindia.net/facts/images/img7.jpg"> Our heart beats around 100,00 times every day or about 30 million times in a year. </li><li>8. <img src="https://www.medindia.net/facts/images/img8.jpg"> Our blood is on a 60,000-mile journey per day. </li> </ul>

<ul><li>9. <img src="https://www.medindia.net/facts/images/img9.jpg"> Our eyes can distinguish up to ten million colour surfaces and take in more information than the largest telescope known to man. </li><li>10. <img src="https://www.medindia.net/facts/images/img10.jpg"> Our lungs inhale over two million litres of air every day, without even thinking. Their surface area is large enough to cover one side of a tennis court. </li><li>11. <img src="https://www.medindia.net/facts/images/img11.jpg"> We give birth to over 200 billion red cells every day. </li><li>12. <img src="https://www.medindia.net/facts/images/img12.jpg"> When we touch something, we send a message to our brain at 124 mph </li><li>13. <img src="https://www.medindia.net/facts/images/img13.jpg"> We exercise at least 36 muscles when we smile. </li><li>14. <img src="https://www.medindia.net/facts/images/img14.jpg"> We are about 70 percent water. </li><li>15. <img src="https://www.medindia.net/facts/images/15.gif"> We make around 1 to 1.6 litres of saliva a day. </li> </ul>

<ul><li>16. <img src="https://www.medindia.net/facts/images/img16.jpg"> Our nose is our personal air-conditioning system: it warms cold air, cools hot air and filters impurities. </li><li>17. <img src="https://www.medindia.net/facts/images/17.gif"> In one square inch of our hand we have nine feet of blood vessels, 600 pain sensors, 9000 nerve endings, 36 heat sensors and 75 pressure sensors. </li><li>18. <img src="https://www.medindia.net/facts/images/18.gif"> We have copper, zinc, cobalt, calcium, manganese, phosphates, nickel and silicon in our bodies. </li><li>19. <img src="https://www.medindia.net/facts/images/img19.jpg"> It is believed that the main purpose of eyebrows is to keep sweat out of the eyes. </li><li>20. <img src="https://www.medindia.net/facts/images/img20.jpg"> A person can expect to breathe in about 45 pounds of dust over his/her lifetime. </li> </ul>

Interesting Facts about the Human Body / Amazing Medical Facts of the Body

10 surprising health facts you should know

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