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.
The sympathetic nervous system releases two hormones within the body in response to stress, resulting in an adrenaline rush, or a sense of urgency that occurs during stressful conditions. These hormones are called epinephrine and norepinephrine, which help your body perform optimally during such events.