Dogs can be trained to identify the scent of lung cancer long before symptoms develop.
190
Your heart rate can rise as much as 30% during a yawn.
69
Our eyes are always the same size from birth, but our nose and ears never stop growing.
266
Your body is creating and killing about 2.4 million red blood cells per second.
17
Wearing headphones for an hour increases the bacteria in your ear 700 times.
233
Only 1 person in 2 billion will live to be 116.
49
The average person has over 1,460 dreams a year!
69
Research indicates that babies who suck on pacifiers are more prone to ear aches.
21