After age 30, the brain begins to lose about 50,000 neurons per day - shrinking the brain .25% each year.
55
The idea of left brain (logical) and right brain (creative) has no basis in neuroscience and is in fact a myth.
16
The average sperm cell swims at 8 inches per hour.
76
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
Your body is creating and killing about 2.4 million red blood cells per second.
17
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
It takes twice as long to lose new muscle if you stop working out than it did to gain it.
127
If every muscle in your body could pull in one direction, you could lift nearly 25 tons.
12