When you fall in love, that 'high' feeling is caused by a flood of dopamine that is similar to that of cocaine.
44
Flu shots only work about 70% of the time.
18
If you cut a 'V' shape into your toe nails, you can prevent 'in-grown' toe nails.
22
Laughing could dramatically improve your health – and be as good for you as a deep state of meditation, researchers have found.
28
One quarter of the human brain is used to control the eyes.
43
A man's beard grows fastest when he anticipates sex.
239
Lack of water is the #1 trigger of daytime fatigue.
148
Crying literally alleviates stress and uniquely allows humans to decrease feelings of anger and sadness.
24