Using a standard 'qwerty' keyboard and typing in a normal manner, the number of words typed only with the left hand are in the range of about 3000 to 3500. Only about 450 words are typed solely with the right hand.

In the 1992 U.S. Presidential election, all three major candidates were left-handed. There have been six left-handed presidents: Harry S Truman, Gerald Ford, James Garfield, Ronald Reagan, George Bush and Bill Clinton.

Left handedness tends to run in families but it is not uncommon for two right-handed parents to give birth to a left-handed child.

Most left-handers draw figures facing to the right.

During the witch trials of the fifteenth and sixteenth centuries, being prone to using the left hand was another "sure" sign of being a witch or a devil.

When twins are born there is an increased probability that one of them will be left-handed.

Left handed people are three times more likely than right handed people to become alcoholics (scientists speculate that it is because the right hemisphere of the brain has a lower tolerance for alcohol then the left side of the brain)

Stuttering and dyslexia is more common in left-handers, especially if forced to change their writing hand as a child.

Left-handers usually reach puberty four to five months before right-handers.

There are far more left handed men than there are left handed women.

According to some sources left handed people are more likely to be prone to migraine headaches, they are also more likely to have allergies and also be insomniacs.

Left handed day is celebrated once a year on the 13th of August.

On average, left handed people live nine years less than right handed people.

Studies show that between 8 to 15 percent of the world's population is left handed.

Although the reasons for being born left-handed are unclear some theoretical environmental reasons for left-handedness are birth-trauma, exposure to increased amounts of testosterone and physical conditioning.

Left-handers tend to be more athletically inclined and have more spatial awareness according to a study by Dr Alan Searleman of St Lawrence University.

Jimi Hendrix, Kurt Cobain and Paul McCartney were all left-handed.

It seems bizarre and I can’t vouch for the credibility of the following claims but apparently left handed people are able to adjust to seeing underwater quicker, they are less able to roll their tongue than a righty and their fingernails grow faster on the left hand than on the right.