Professor Fink describes the actions & uses of Corticosteroids, including endogenous glucocorticosteroid Cortisol and the drug prednisone. Topics include gluconeogenesis, immunosuppression, inhibition of phospholipase (anti-inflammatory action), inhibition of fibroblast synthesis of collagen, Addison's Disease & Replacement Therapy, Cushing's Syndrome, Adrenocortical Suppression (Adrenal Insufficiency Syndrome). Check-out professor fink's web-site for additional resources in Biology, Anatomy, Physiology & Pharmacology: https://professorfink.hstn.me/?i=1 Down-loadable e-Books of the Lecture Outlines by Professor Fink can be purchased at: https://www.vitalsource.com/textbooks