/sci/ - Science & Math

>>15402059
People in the west are extremely malnourished due of the missing nutrients, million+ deaths occur annually as the best case estimate.
>>15402547
The difference is described more or less correctly, only the direction is incorrect (lack of lead is deficiency, its presence is the healthy state) This is presumably unpublishable.
Lead was always present until removed, except for a several thousand years long period after some ancient civ collapsed, which may have collapsed after it depleted it. Lead levels correspond to social status in any place and any time with remains to tell. (file as an example)

>>15380957
>>15380979