Zinc
Zinc in cancer prevention.
https://www.ncbi.nlm.nih.gov/pubmed/20155630
https://www.ncbi.nlm.nih.gov/pubmed/20155630
Zinc can halt the growth of cancer cells, study says
https://www.sciencedaily.com/releases/2017/09/170928121656.htm
https://www.sciencedaily.com/releases/2017/09/170928121656.htm
Zinc stops cancer growing (and here's how it does it)
https://www.wddty.com/news/2017/10/zinc-stops-cancer-growing-and-heres-how-it-does-it.html
https://www.wddty.com/news/2017/10/zinc-stops-cancer-growing-and-heres-how-it-does-it.html