Author: Daniel Kelly, Senior Lecturer in Biochemistry, Sheffield Hallam University

For more than 80 years, men have been told that testosterone helps prostate cancer grow. But a very different picture has emerged over the past two decades. The prostate is a small gland that sits just below the bladder. Its job is to produce the fluid that helps transport sperm, and it relies heavily on […]

Pop-up clinics and glossy adverts are selling men a new message: it is time to “check your T” (shorthand for testosterone levels). The idea is not about treating medical problems but about “optimising” energy, focus and masculinity. With online services offering home blood tests and fast-track access to treatment, testosterone therapy has shifted from specialist […]

A case that first appeared in a medical journal several years ago has recently resurfaced in the media, highlighting an unexpected risk of hormone therapies: a baby girl in Sweden developed unusually large genitals after lying on her father’s bare chest, accidentally exposed to his testosterone gel. The incident is a reminder that hormone treatments, […]