Most of us by now know the ongoing problem of plastics building in our environment and point to the Great Pacific Garbage Patch, a collection of plastic, floating trash halfway between Hawaii and California, that has grown to more than 600,000 square miles, twice the size of Texas. It's continuing to grow and accumulate plastic rapidly according to this 2018 study published in Nature. But plastic is also a problem when it's small.
"Some of the worst offenders in the Clean Label Project’s tests were organic, plant-based protein powders. More than 75 percent had measurable levels of lead. And certified organic products averaged twice the heavy metals of their uncertified counterparts."
‘Ridiculously healthy’ elderly have the same gut microbiome as healthy 30 year-olds - overall microbiota composition of the healthy elderly group was similar to that of people decades younger, and that the gut microbiota differed little between individuals from the ages of 30 to over 100.