Ancient herders in the Keriya Valley fed their animals mainly C3 plants, with some C4 plant feeding possibly due to herd movement or seasonal changes.
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January 1987 in “PubMed” Candida was found in most heroin users with folliculitis.
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December 2014 in “PubMed” Finasteride, a hair loss drug, may cause sexual dysfunction and depression, but these effects are usually temporary and the drug is generally safe. More research is needed.
October 2025 in “Open Repository of the University of Porto (University of Porto)” 
December 2015 in “Faculty Opinions – Post-Publication Peer Review of the Biomedical Literature” Finasteride, a hair loss treatment, may cause long-term sexual dysfunction and depression.