Smoking while pregnant increases the chances of spontaneous abortions (miscarriages) stillbirths and premature labor.
77
The human brain is insensitive to pain.
76
10 seconds is the amount of time until unconsciousness after the loss of blood supply to the brain.
108
When you kiss someone for the first time, you get a spike in the neurotransmitter dopamine, making you crave more.
23
Ingrown toenails are hereditary.
15
The human sigh acts as a physiological reset button.
23