Answers are grounded in this paper and cite their sources.
An extremely high concentration of zinc in the plasma (hyperzincemia) was found in five out of seven members of one family and in two out of three second generation indiviuals, an indication that the condition is heritable. The excess zinc in the plasma appears to be bound to serum proteins, with no apparent clinical symptoms or abnormalities.
No takes yet. Share an insight, caveat, or question.
Smith et al. (1976) studied this question.
Synapse has enriched 10 related papers. Consider them for comparative context: