40 Amazing and Interesting Facts about Memory | Amazing Facts 4U A piece of brain tissue the size of a grain of sand amazingly contains 100,000 neurons and 1 billion …
25 Amazing and Interesting Facts about Snoring | Amazing Facts 4U You snore when the flow of air as you breathe makes the tissues in the back of your throat …
30 Amazing and Interesting Facts about Tattoos | Amazing Facts 4U The first-ever tattoo to be found on a human being is believed to be found on a mummified iceman …
20 Amazing and Interesting Facts about Tears | Amazing Facts 4U Everyone starts life with that first cry. As you grow up, you still produce about 200 ml of tears …
25 Amazing and Interesting Facts about Nail | Amazing Facts 4U While most mammals have claws to help them with daily tasks, fingernails distinguish primates including humans from the rest …
25 Amazing and Interesting Facts about Depression | Amazing Facts 4U The main risk factors of depression are past abuse (physical, sexual, emotional), some medications, conflict with family members or …