People who are left handed make up about 5-15% of the population
The genes for left-handedness are so far elusive
Lefties are relatively numerous among creative men
Lefties are relatively numerous among children rated as having an IQ higher than 131
Lefties are relatively numerous among individuals who are good at music and math
Most left-handers draw figures facing to the right.
There is a high tendency in twins for one to be left-handed
Stuttering and dyslexia occur more often in left-handers (particularly if they are forced to change their writing hand as a child)
Left-handers adjust more readily to seeing underwater.
Left-handers excel particularly in tennis, baseball, swimming and fencing
Left-handers usually reach puberty 4 to 5 months after right-handers
4 of the 5 original designers of the Macintosh (Apple) computer were left-handed
1 in 4 Apollo astronauts were left-handed – 250% more than the normal level.
Almost 40% of the top tennis pros are 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)
People who are left handed use the right side of the brain most while right handed people use the left side of the brain most
In Many cultures children who were left handed were forced to use there right hands instead.
More men than women are lefties
Left handed stroke victims recover faster than right handed stroke victims