It takes twice as long to lose new muscle if you stop working out than it did to gain it.
127
In one day, adult lungs move about 10,000 litres of air.
11
A man's beard grows fastest when he anticipates sex.
239
On average, a human being will have sex more than 3,000 times and spend two weeks kissing in their lifetime.
161
We forget why we have entered a room because passing through doors creates an ‘event boundary’ causing the brain to file away what we were just thinking about.
26
Pet dogs and elephants are the only animals that seem to instinctively understand human gesture.
14
Only humans shed emotional tears.
331
Most of us have microscopic, worm like mites named Demodex that live in our eyelashes and have claws and a mouth.
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