North Africa, region of Africa comprising the modern countries of Morocco, Algeria, Tunisia, and Libya. North AfricaEncyclopÃ¦dia Britannica, Inc.The geographic entity North Africa has no single accepted definition.
A Stressor is anything (physical or psychological) that produces stress (negative or positive) is considered a stressor.
Cortisol is the major adrenal steroid hormone and is controlled by the pituitary gland and the hypothalamus. The bodyâs stress response increases cortisol in order to mobilize energy to manage and resolve the stressor.