Yawns are more contagious among people with closer relationships.
163
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
Babies crawl an average of 200m a day.
212
A person swallows approximately 295 times while eating dinner.
63
In a lifetime, an average person walks the equivalent of 5 equators
177
15 percent of Americans secretly bite their toes.
57
