The levels of two stress hormones, cortisol and epinephrine which suppress the body's immune system, will actually drop after a dose of laughter.
112
Your heart will pump about 212 million liters in its lifetime.
26
The human brain is very soft, having a consistency similar to soft gelatin or firm tofu.
13
In Ancient Greece, small penises were desirable, and big ones were for ‘old men and barbarians’
22
If you are cold you are more likely to be hungry because you use energy to keep warm.
143
Blue eyes are a genetic mutation. Before the mutation occured, all humans had brown eyes.
89
There are about 1,400 different species of bacteria in your belly button.
10
It takes twice as long to lose new muscle if you stop working out than it did to gain it.
127