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 very soft, having a consistency similar to soft gelatin or firm tofu.
13
If every muscle in your body could pull in one direction, you could lift nearly 25 tons.
22
There are times when you're walking that the pressure on your feet exceeds your body weight, and when you're running, it can be three or four times your weight.
62
Yawns are more contagious among people with closer relationships.
163
Stress can result in more headaches as a result of the body rerouting blood flow to other parts of the body.
92
Your heart will pump about 212 million liters in its lifetime.
26
The average person's skin weighs twice as much as their brain.
131