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
Dogs can be trained to identify the scent of lung cancer long before symptoms develop.
190
Taphephobia is the fear of being buried alive!
44
Lack of water is the #1 trigger of daytime fatigue.
148
A human brain produces as many as 12,000 to 50,000 thoughts per day, depending on how deep a thinker a person is.
23
There are about 1,400 different species of bacteria in your belly button.
10
After age 30, the brain shrinks a quarter of a percent (0.25%) in mass each year.
139