Hair Facts

The average human has 100,000 hairs on their head:

Blondes have 146,000.

Brunettes have 108,000.

Redheads have 86,000.

Humans shed 50-150 hairs a day.

The most common hair color in the world is black, and the least common is red.


What was the first vaccination?

The first vaccination invented was by Edward Jenner , an English physician, in 1796.  In those days, people lived in fear of Smallpox, which had a high mortality rate, and survivors were left with disfiguring scars.  Dr. Jenner observed that dairy maids who milked cows and got the “Cowpox” virus did not get Smallpox.  Cowpox is a virus similar to Smallpox but is a much milder disease for humans.  Dr. Jenner found a dairy maid who had active Cowpox skin lesions, and used a needle to inoculate an 8-year-old boy in 1796 from these lesions.  The boy became ill with Cowpox but never got Smallpox.



Is it really true that drinking water helps you lose weight?

We’ve all heard before that water helps you lose weight.  But is it really true?

A study in Germany at the showed that after drinking  17 ounces of water, the subjects’ metabolic rate, which is the rate at which calories are burned, increased by 30% for both men and women for the next 30-40 minutes.

Another study found that in a group of overweight women, the women who drank a liter more of water a day, lost 4.4 more pounds in a year.

So drinking water does appear to help weight loss.  But remember, everything in moderation, drinking way too much water (or anything!) can cause problems.


How was Aspirin invented?

Aspirin was originally made from the willow plant, which is high in salicylate.  Hippocrates first used salicylic tea to help fevers in the year 400 BC!   In 1853, a chemist named Charles Gerhardt treated acetyl chloride with sodium salicylate and made “acetylsalicylic acid”, or aspirin as we know it, for the first time.  In 1899, the Bayer company called this Aspirin, and began selling it around the world.

Now, 16,000 tons of aspirin tablets are sold a year!  Aspirin helps fevers and pain, can help prevent heart attacks, and is even thought to prevent some types of cancer such as colorectal, endometrial (uterine), breast and prostate.



Why did Queen Elizabeth get Lead Poisoning?

Queen Elizabeth I began her reign in 1558, and was one of the most successful monarchs in England’s History.  Historians however, believe that the makeup she wore was slowly poisoning her!  Queen Elizabeth had Smallpox as a young woman, and it left scarring on her face.  To cover the scars, she wore makeup called “Ceruse”, which is lead powder mixed with vinegar, and gave her the pale, milky complexion she has in paintings.  Gradually it led to weakness, hair loss,  and paralysis from lead poisoning.