My mum says I wrote with both hands before I broke my left wrist in kindergarten. Then I became a righty. This time has been a shining moment for my overshadowed left hand, which has performed honorably in picking up the slack of my right. There's not too much it can't do.
Drawing with my left has been more fun then drawing has been in a while. There's a bigger element of surprise in what might come out on paper. And as it's gotten steadier I'm beginning to recognize my regular righty style coming out, which makes me realize my art does come more from the head then the hand.
And though typing is still a chore, I've figured out how to take pictures with my right hand while my left is 100% proficient with a mouse. So I entertain myself with Photoshop.