It takes twice as long to lose new muscle if you stop working out than it did to gain it.
127
The human brain is more active during sleep than during the day.
28
Unconsciousness will occur after 8-10 seconds after loss of blood supply to the brain.
93
When you are looking at someone you love, your pupils dilate, they do the same when you are looking at someone you hate.
1k
Only humans shed emotional tears.
331
The human brain has the capacity to store everything that you experience.
4k
You forget 90% of your dreams.
256
Your fingernails grow faster in summer.
744