Stress can result in more headaches as a result of the body rerouting blood flow to other parts of the body.
92
The human brain is insensitive to pain.
76
When you look up at the blue sky and see white dots flying around, you’re actually seeing your own white blood cells.
30
It is possible to go blind from smoking too heavily.
50
The brain receives 20% of the body’s oxygen and 25% of total body glucose utilization, despite it accounting for only 2% of a person’s weight (about 1.4 kilograms).
8
From the age of thirty, humans gradually begin to shrink in size.
1
In Japan, condoms are commonly sold 'door to door'!
54
