Stress can result in more headaches as a result of the body rerouting blood flow to other parts of the body.
92
Yawns are more contagious among people with closer relationships.
163
A person will create enough saliva to fill two average size swimming pools during his lifetime.
191
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
The human eye blinks an average of 4,200,000 times a year.
233
It takes twice as long to lose new muscle if you stop working out than it did to gain it.
127