Cortisol, widely known as the ‘stress hormone’, has been a common topic as people’s stress levels increase. Search engine Google has reported that there was a 557 per cent increase in ...

Mean serum cortisol concentrations did not differ significantly in the three categories of animals during the first venipuncture at 13:15 (P > 0. 1; Table 1). At 13:30, mean cortisol concentration was ...

It could be the distinct lack of vitamin D, a concerning news cycle and growing to-do lists, or a modern culture obsessed with over-productivity – but it's not hard to see why most of us are ...