If you suspect that you suffer from manganism caused by welding rod fumes, contact a lawyer who specializes in welding rod cases. Believe it or not, there are plenty out there. Most will give you a free consultation and tell you whether or not they think you have a case,

Most lawyers who handle welding rod cases will agree to an contingency arrangement if they decide to take your case. This means that if you lose, you owe them nothing; but if you win, they'll take a substantial portion of the judgment, as much as 40% or more.

If you're a welder with early-onset Parkinson's Disease, it may have been caused by the fumes in your welding rods. If that's so, you may have a good case against the manufacturers of the welding rods, so you should contact a lawyer and ask about the possibility of litigation.