After the water transpiration is left traces, oxidation, detergent cleaning car used car more easily with water mark disease.

After the first flood, Mark, who says he had always been "healthy as a horse," was hospitalized with a severe respiratory virus initially diagnosed as legionnaires' disease.

And the sudden spate of new results mark an acceleration, and perhaps a turning point, in the ability to find disease genes, the long-promised payoff from the human genome project that began in 1989.