Doesn't matter. These poisons are so endemic in the world you literally can't get away from them. From breast milk and placenta to the rain that falls, these poisons are everywhere. Look in your fridge and cabinets and see how much plastic is there. Read the labels on the food products- note the chemicals and too, note the low quality food values. Lots of sugars and fats but little else. Find your local farmer, rancher, homesteader or prepper. Start buying your food as close to it's source as possible. It'll help mitigate this some.