The UCI will introduce stricter guidelines for transgender women's participation in the women’s category of cycling, halving the maximum plasma testosterone limit from 5mol/L to 2.5nmol/L and doubling ...

An icon in the shape of a lightning bolt. Impact Link One of the major ways transgender people choose to medically transition is through gender-affirming hormone treatment. Traditionally, hormones are ...

Please provide your email address to receive an email when new articles are posted on . Low testosterone among men and low sex hormone-binding globulin among women are associated with progression from ...

In one section of Connor Lee O’Keefe’s short documentary “Imagine a Body,” a film in which transmasculine people discuss their varied experiences of taking testosterone in order to medically ...

Men may not go on a hormonal rollercoaster with their pregnant partners, but once the baby shows up, their bodies biologically transition into "daddy mode," suggests a new study finding that levels of ...