Because left is sinister, it actually tends to be a disadvantage. But it also depends - which hand do you use to masturbate with?
Here's a handy chart:
Right-hand dominant + right-hand use = ADVANTAGE
Right-hand dominant + left-hand use = NO EFFECT
Left-hand dominant + left-hand use = REJECTED
Left-hand dominant + right-hand use = NO EFFECT
It can be good, if you work at it. You must make a mix tape using at least 44 Billboard top 10 artists from 1969-2009 that shows, through its musical interplay, your desire for medicine.
If you're not confident in your abilities - I think Kaplan has a 6-week intensive course on MD-DJing, but most people will do this independently.