Kissing an infection-free partner is good for your teeth!
141
Only 1% of bacteria cause disease.
45
Men have larger hearts; women's hearts beat faster.
77
Quick naps not only improve your alertness, but they also help in decision making, creativity and sensory perception.
149
It is almost impossible to sneeze with your eyes open. It is a defense mechanism that has evolved to protect our eyes from bacteria and debris.
164
The aorta, the largest artery in the body, is almost the diameter of a garden hose.
37
Having sex can make a woman look younger and more attractive due to the release of estrogen and collagen.
346
The average office desk has 400 times more bacteria than a toilet.
22