Thomas Upton

Defining Overweight and Obesity by Percent Body Fat Instead of Body Mass Index AbstractObjective. Thresholds for overweight and obesity are currently defined by body mass index (BMI), a poor surrogate marker of actual adiposity (perce

Defining #overweight and #obesity by percent body #fat instead of body #mass.
Featured study in #JCEM. #FreeToView. #BMI
doi.org/10.1210/clin...
@endocrinesociety.bsky.social

Waking up is not stressful, study finds Waking up does not activate an increase in the release of the stress hormone cortisol. Cortisol does, however, increase in the hours prior to wakening as part of the body’s preparation for the next da...

Link to press release: www.bristol.ac.uk/news/2025/ja...

Awakening not associated with an increased rate of cortisol secretion

Extremely pleased to announce our analysis out today with @ederzavala.bsky.social and other members of #ULTRADIAN
royalsocietypublishing.org/doi/epdf/10....
Bottom line: be VERY careful with cortisol measurements taken only after waking...
#CAR #cortisol #circadian