If you have a preexisting condition, you are still eligible to be compensated for your injuries. Be open with your personal injury lawyer st george about all of this when you speak to him. You won't want it to come out in court.
Ask friends and family for personal injury attorney referrals. When you take these steps, you increase the chances of hiring a quality lawyer that will help get you the results you want. Getting a good lawyer is the best thing you can do for yourself.