Category B - full version without watermark 1024x576 (check terms and conditions at www.teledesign.de) The embed version with watermark is free of charge. - Description: In stressful situations stored fat or glycogen is mobilized in order to provide enough energy. For that purpose high amounts of the stress hormone cortisol are released from the adrenal cortex. The body does not differentiate between positive or negative stress. The reaction chain is always the same.