Science Fact - 21

Some facts about human hair:

1. On an average, people have between 100,000 and 150,000 hairs on their head.
2. Categorically, blondes have an average of 140,000 strands, brunettes of 108,000 and redheads of 90,000.
3. Hair grows at a rate of about 150mm a year.
4. The number of strands normally lost in a day varies, but on average is 100.
5. Each individual hair lasts for two to six years before it falls out.
6. If you are nervous that you are losing an excessive amount of hair per day, you can try this trick

Take about 60 hairs between your fingers and pull, running your fingers through your hair.  Usually between 5 and 8 hairs will come out—this is normal. An excess of 15 hairs, however, is not as common and means you are losing more hair than you should be.