Men fall in love faster than women do.
32
Up to the age of six or seven months a child can breathe and swallow at the same time. An adult cannot do this.
165
Males sweat 40% more than females.
104
Yawns are more contagious among people with closer relationships.
163
About 2/3 of American men prefer boxers to briefs.
83
Intelligent people have more zinc and copper in their hair.
233
People are more likely to tilt their heads to the right when kissing instead of the left (65 percent of people go to the right!)
278