January 2026 in “Medicine” Higher LDL cholesterol may increase the risk of hair loss, while HDL cholesterol does not.
May 2025 in “Annals of surgical case reports & images.” Certain gut bacteria may protect against hair loss, while others may increase the risk.
April 2024 in “Frontiers in microbiology” Certain gut bacteria may increase or decrease the risk of male pattern baldness.
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August 2024 in “Skin Research and Technology” There is no causal relationship between androgenetic alopecia and serum uric acid.
December 2025 in “Journal of Cosmetic Dermatology” Finasteride does not increase the risk of depression or suicide.