It takes twice as long to lose new muscle if you stop working out than it did to gain it.
127
There is a disease called ichthyosis that turns the skin scaly like a fish.
90
We are born with 350 bones, and die with 206.
135
Fingernails grow fastest on the hand you favor.
44
Dogs can be trained to identify the scent of lung cancer long before symptoms develop.
190
Nearly 80 percent of all sudden cardiac arrests happen at home.
7
More people have a phobia of frogs than rats.
41
Banging your head against a wall uses 150 calories an hour.
57