Scientists Thought Parkinson's Was in Our Genes. It Might Be in the Water

Scientists Thought Parkinson's Was in Our Genes. It Might Be in the Water

For decades, Parkinson's disease research has overwhelmingly focused on genetics -- more than half of all research dollars in the past two decades flowed toward genomic studies -- but a growing body of evidence now points to something far more mundane as a primary culprit: contaminated drinking water. A landmark study by epidemiologist Sam Goldman compared Marines stationed at Camp Lejeune in North Carolina, where trichloroethylene (TCE) had con…