Infants spend more time dreaming than adults do.
102
Yawns are more contagious among people with closer relationships.
163
40% of people who are rejected in romantic love slip into clinical depression.
72
Men laugh longer, louder, and more often than women.
61
Babies that are breastfed are more likely to be slimmer as adults than those that are not breastfed.
110
Americans will spend more on cat food this year than baby food.
32
2% of Europeans lack the genes for smelly armpits.
6