Crushed cockroaches can be applied to a stinging wound to help relieve the pain.
31
Your heart rate can rise as much as 30% during a yawn.
69
The average human body contains enough iron to make a small nail.
50
Every year your body replaces 98% of your atoms.
119
If you cut a 'V' shape into your toe nails, you can prevent 'in-grown' toe nails.
22
A man once sued his doctor because he survived his cancer longer than the doctor predicted.
74
The average person can live for eleven days without water, assuming an average temperature of 60 degrees fahrenheit.
15