30 citations
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September 2016 in “Aging Cell” Low selenium levels can extend lifespan but worsen health issues.
127 citations
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June 2008 in “British Journal of Clinical Pharmacology” Low doses of some substances can be beneficial, while high doses can be harmful or toxic.
Thermal spring waters and their microbes could be good for skin health and treating some skin conditions in skincare products.
7 citations
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October 2003 in “Nonlinearity in Biology Toxicology Medicine” Confirming low-dose endocrine toxicities is difficult and requires more research.
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