. . . for those wanting proof that Mr. Weston's parkinson's disease was not related to pyro; would you care to offer proof that it wasn't the result of having walked in iceplant? Equally rediculous.
That's not a very healthy thing to do, either. While black fingernails may be the badge of a "real" photographer, nitrile gloves probably represent the better part of valor. Certainly for what they cost, which is virtually nothing.