It takes twice as long to lose new muscle if you stop working out than it did to gain it.
127
Your heart pumps about 2,000 gallons of blood each day!
53
You have no sense of smell when you're sleeping!
72
Kissing releases masses of oxytocin, a "love potion" that helps couples bond and feel more attracted to each other.
13
Male hospital patients fall out of bed twice as often as female hospital patients.
71
A man once sued his doctor because he survived his cancer longer than the doctor predicted.
74
An average heart beats 100,000 times a day, pumping some 2,000 gallons of blood through its chambers. Over a 70-year life span, that adds up to more than 2.5 billion heartbeats.
73