Interesting health and body facts

• Our nails grow at a rate of around 0.1 mm per day. So it would take roughly 3 months to replace an entire fingernail.
• Synesthesia is a rare condition where the human senses are combined. Synesthetes can 'see' words, 'taste' colors and shapes, and 'feel' flavors.
• The velocity of your cough can be up to 60mph.
• Like a finger print, every person has a unique tongue print.
• If the amount of water in your body is reduced by just 1%, you'll feel thirsty.
• Our eyes are always the same size from birth.
• If all your DNA is stretched out, it would reach to the moon 6,000 times.
• What do people fear most? At the top of the list is death, the fear of which is necrophobia. Second, apparently, is the fear of failure, which is called kakorrhaphiophobia.
• India has the largest number of diabetics in the world; a total of 10 million.
• When you wake up in the morning and find crusty stuff in your eyes, that is essentially the same as the stuff in your nose.
• The average human scalp contains between 120,000 and 150,000 hairs.