40% of people who are rejected in romantic love slip into clinical depression.
72
Babies' eyes do not produce tears until the baby is approximately six to eight weeks old.
58
Approximately 4 to 5% of the U.S. population has one or more clinically significant phobias in a given year. Specific phobias occur in people of all ages. The average age of onset for social phobia is between 15 and 20 years of age, although it can often begin in childhood.
30
Only 10-20% of the population can wiggle their ears and raise one eyebrow.
22
A hard working adult sweats up to 4 gallons per day.
39
You will experience the billionth second of your life when you are 31 years old.
21
The single biggest predictor of love is proximity.
30