Topic

Hair Loss

Hair loss (alopecia) refers to reduced or absent hair from the scalp or body, with several distinct underlying causes.

Timeline diagram of seasonal hair shedding: the proportion of resting telogen hairs peaks in summer, and shedding is inferred to rise two to three months later in early autumn before follicles re-enter growth.

Seasonal hair shedding: why it peaks in autumn

Hair shedding follows an annual rhythm that peaks in early autumn. What trichogram and search data show, how much is normal, and when to seek care.

Aug 13, 2026 · 6 min · Medically reviewed

MedicalDermatologyNews

Medical

Male pattern hair loss: treatment evidence in 2026

What the evidence supports for male androgenetic alopecia: minoxidil, finasteride and dutasteride, adjunct options, and realistic expectations on results and risks.

Jun 10, 2026 · 4 min · Medically reviewed

MedicalDermatologyNews

Medical

GLP-1 hair shedding: is it the drug or the weight loss?

Why some patients on semaglutide or tirzepatide notice hair shedding, what pharmacovigilance and review data show, the likely telogen effluvium mechanism, and how it is managed.

May 30, 2026 · 3 min · Medically reviewed