It is possible to go blind from smoking too heavily.
50
The human brain is insensitive to pain.
76
You can reschedule your sleeping pattern by not eating 12-16 hours before you want to be awake. Upon eating after this time period, your internal clock will reset to a new day, with the time of your first meal being interpreted as "morning".
11
During a typical human life span, the human heart will beat approximately 2.5 billion times.
21
Clinophobia is the fear of beds!
30
Each nostril of a human being register smell in a different way. Smells that are made from the right nostril are more pleasant than the left.
38
Your hair grows faster in the morning than at any other time of day.
91
The human sigh acts as a physiological reset button.
23