If you cut a 'V' shape into your toe nails, you can prevent 'in-grown' toe nails.
22
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 record for the longest scientifically documented period without sleep is 264.4 hours (eleven days).
15
In older people, memory is best early in the morning and then declines during the late afternoon.
33
When you get blackout drunk, you don't actually forget anything; your brain wasn't "recording" in the first place.
23
Gardening is said to be one of the best exercises for maintaining healthy bones.
40
The heart pumps about 1 million barrels of blood during an average lifetime!
30