20 citations
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June 2015 in “Hormone Molecular Biology and Clinical Investigation” This study found that long-term finasteride therapy in men with BPH worsened erectile dysfunction and reduced testosterone levels, while these effects were not observed with tamsulosin.
August 2022 in “bioRxiv (Cold Spring Harbor Laboratory)” This study found that in mice, competition for hair follicles guides the organization of follicle-innervating LTMR neurons during early development, with different neuronal subtypes showing varying adaptive responses to increased neuron populations.
20 citations
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June 2017 in “Hormone Molecular Biology and Clinical Investigation” This study found that long-term dutasteride therapy in men with benign prostatic hyperplasia worsened erectile dysfunction, reduced testosterone levels, and increased blood glucose and lipid profile, indicating negative metabolic impacts.
5 citations
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April 2021 in “Journal of Endocrinological Investigation” This study concluded that among men with normal testosterone levels, a small increase in serum dihydrotestosterone may reduce symptoms of hypogonadism, suggesting its potential diagnostic use after ruling out hypogonadism.
27 citations
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September 2017 in “Journal of Medicinal Food” In this study, researchers found that a polyphenolic extract from Annurca apples, high in procyanidin B2, increased hair growth, density, and keratin content in healthy subjects after 2 months of use, and stimulated keratin biosynthesis in vitro.