29 citations,
October 2020 in “eLife” Higher testosterone levels can increase the risk of certain diseases like type 2 diabetes in women and prostate cancer in men, but can also protect against autoimmune diseases and hair loss. It also affects body fat and bone density.
4 citations,
January 2023 in “Frontiers in Immunology” Shorter telomeres in white blood cells may increase the risk of a common type of hair loss.
July 2025 in “Clinical Cosmetic and Investigational Dermatology” Major depression disorder increases the risk of alopecia areata, and vice versa.
Gut bacteria pathways may help treat hair loss in obese people.
May 2025 in “Annals of surgical case reports & images.” Certain gut bacteria may protect against hair loss, while others may increase the risk.