the article in JAMA statistically proved increased risk in a specific area. Risk is extremely difficult to quantify, and has wide std dev bands in humans.
Doesn’t mean any particular person will get PD, just means that the risk is non zero. Can it generalize to other locations? maybe, but lots of chemicals sprayed on crops, lands ends up in places which damage the ecology.
On Long Island, the vineyards spray seepage and lawn fertilizer seepage has killed the quahog shellfish population, proven by the last long time shell fishing group. We spoke for an hour with them last summer on LI Sound !
So yes, the earth is slowly being ecologically damage, and there will be a tipping point famine someday
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