Wearing headphones for an hour increases the bacteria in your ear 700 times.
233
Your heart rate can rise as much as 30% during a yawn.
69
Pain occurs when sounds are above 130 db.
124
A person can live without food for about a month, but only about a week without water.
156
Only 1% of bacteria cause disease.
45
Brain scans show that people who view photos of a beloved experience an activation of the caudate - the part of the brain involving cravings.
103
