Color: Many Colors (opal changes color) Opal, the only gem that doesn't fit into any single description of a precious stone, is the birthstone for October. It is said that no two opals are exactly alike. But it is sensitive to moisture and is more fragile than its fellow gemstones. It displays a brilliant array of colors which dazzle the eye.
1: When you are faced with stressful situations, cortisol, epinephrine, and norepinephrine are released by your. kidneys.
Adrenaline, Cortisol, Norepinephrine: The Three Major. Stress Hormones, Explained. Thanks to the work of our sympathetic. nervous system, the fight or flight system. that takes over when we're stressed, when you. see your boss's name in your inbox late at. night, your body reacts like there's a lion on.