A person will burn 7 percent more calories if they walk on hard dirt compared to pavement.
45
Every hour one billion cells in the body must be replaced.
17
The average human body contains enough fat to make seven bars of soap.
45
In older people, memory is best early in the morning and then declines during the late afternoon.
33
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
The human brain is more active during sleep than during the day.
28
It takes 17 muscles to smile, 43 to frown.
65