5 Reasons Being Left-Handed Screws You for Life

Southpaws also get sick more often, possibly due to left-handers' lopsided brain chemistry. Research done on "true" left-handers (excluding those fence-sitting ambidextrous types) showed that lefties were 2.7 times more likely to suffer from immune disorders and 2.3 times more likely to have been hospitalized at some point. It's not their fault -- the double curse of left-handedness and the risk of spending your life in a plastic bubble likely came from your mother stressing out during pregnancy. Ironically, she may have been stressing about the possibility of pushing out a left-handed freak of a kid.

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Here's a fun fact that you can share on your next socially awkward date: Although left-handed people make up only 10 percent of the population as a whole, they compose a full 20 percent of schizophrenics. If you like those odds, you should know that left-handedness is also associated with dyslexia, ADD and some mood disorders.

Is it because all those right-handed can openers slowly drive them mad? Possibly. But Clyde Francks, a researcher at Oxford University, believes that it might have something to do with a newly discovered gene. Unimaginatively called LRRTM1, the gene is closely linked with left-handedness, as well as being related to increased odds of mental illness. You wouldn't think those two things would be related, but Francks believes the gene affects the symmetry of the brain.

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You've heard about how different sides of the brain control different functions in the body -- scientists have known for a while that schizophrenia and other disorders are caused by a kind of confusion between the two about which side should handle what. Now they think that a similar glitch in brain symmetry is one reason people might favor their left hand over their right.

Metten Somers, a psychiatrist and brain researcher in the Netherlands, suggests that most of the left-handed population still have normal brain symmetry. It's the other 30 percent who are more likely to fling cats at passersby and scream at their dumpsters.

If you think about it, it's kind of surprising that left-handers are as emotionally balanced as they are. Right out of the box, left-handed kids realize the world wasn't quite made for them. At school, they do worse on timed exams and suffer awful back and neck cramps in the process. Why? Freaking right-handed desks. And scissors. And everything else.

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If you're one of the 90 percent or so of people who were born right-handed, you probably weren't even aware that there was such a thing as a "right-handed desk," but in fact most school desks are biased toward right-handed people, forcing lefties to contort themselves uncomfortably in a desperate effort to reach across and take notes in our awkward left-to-right written language, their hand smudging everything they write, on a desk designed for their reflection.

There's no grand conspiracy involved -- left-handers just tend to fall through the cracks, being that there are so few of them. In a recent survey of left-handers in 50 different countries, the number of lefties who were ever taught how to operate as a left-hander in a right-handed world sits frequently around 10 percent -- everyone else just has to work it out on their own, until they finally try to drown the pain by spilling beer down their shirt from a right-handed beer mug.

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And we're just barely kidding there -- pens, pencil sharpeners and other tools are also designed for the right hand, making life difficult (and even painful) for lefties. On computers, the mouse is set up on the right side. Interested in wood or metal shop? Be careful! The safety switches on all those spinning and stabbing blades are set up to be quickly accessible to right-handed people.

Of course, being a left-handed student in this day and age isn't as bad as it used to be in your grandparents' time, when teachers tried to solve the problem by beating left-handed kids with paddles. Still, it wasn't the worst thing they did to minorities.

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OK, so being left-handed can be a hazard to your physical and mental health. Can you at least be emotionally well-balanced? Come on, look at what website you're on. Do you really think we have good news for you here? Studies have shown that, if you're left-handed, you're twice as likely to suffer from post-traumatic stress disorder.

They did a study to test left- and right-handers on their tolerance for terrifying shit (because torturing people weaker than themselves seems to be all scientists do these days) and forced a test group to watch a gruesome eight minutes of The Silence of the Lambs. They then measured the emotional response. What they found was that reactions differed depending on which hand the subjects used to cover their eyes during the gory bits. Right-handers were usually able to recount details of the entire scene they just watched, while lefties were more likely to give fragmented accounts.

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More surprising, left-handers actually tended to exhibit subtle symptoms of PTSD. That's right -- a disorder commonly suffered by first responders, combat veterans and escaped victims of serial killers actually began to emerge after watching eight minutes of a movie that isn't even a horror film so much as a taut psychological thriller.

According to the researchers, this is once again because of that left-and-right-brain thing. In left-handers, the right brain tends to be dominant, and you guessed it, that's also the side involved in the shit-your-pants response.

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It gets even worse: Studies agree that the opposite-side dominance in lefties tends to make them more inhibited, spending hours making basic decisions and then worrying that they've made the wrong call. To test her theory, behavioral psychologist Lynn Wright of the University of Abertay Dundee conducted a series of behavioral inhibition tests on 46 left-handers and 66 right-handers. On the tests of restraint, both left-handed men and women scored higher than their right-handed counterparts, while on tests monitoring lack of inhibition, to the surprise of no one, the opposite held true.

The left-handed responders were also more likely to agree with statements such as "I worry about making mistakes," "Criticism hurts me quite a bit" and "This interrogation is making me shit myself with fear."

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Not that they don't have reason to be afraid, considering that ...

Even in countries without strict social codes for wiping, the language of the left has always had negative connotations. A backhanded compliment, when you deliver an insult disguised as flattery, is also known as a "left-handed compliment." Even the dictionary defines being left-handed as something that implies being "clumsy and awkward."

And this goes back a long way. The word "left" derived from the Anglo-Saxon word "lyft," which meant "weak." And "sinistra," the Latin for "left," is also where we get the word "sinister." "Gauche," which we use to refer to a social faux pas, is actually French for "left." And in the Akan language of Ghana, to say that someone has "slept on his left side" is a euphemism for death. Why do you think your partner in crime is your "right-hand man?" It's because the guy on your left can't be trusted.

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With all this history to contend with, it would be better for you if, instead of being born left-handed, you were just born with a huge dick-shaped birthmark on your forehead.

If you're one of the 10 percent of the population who have become progressively more depressed reading all this, for obvious reasons, then you should know that there's an upside -- you're more likely to be president. Of the seven U.S. presidents since Nixon, only Carter and Bush Jr. were right-handed. So good luck, but don't get your hopes up!

For more ways you might be screwed, check out 5 Reasons Being Single Sucks Even More Than You Thought. Or discover The 6 Greatest War Heroes Who Got Screwed Out of History.