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.
Cortisol is a steroid hormone that falls under the glucocorticoid group. It is produced using cholesterol by the two adrenal glands located in your kidneys. This hormone is released when you experience stress, exercise and even when you wake up in the morning. It is an important hormone in your body working to maintain homeostasis by determining your energy needs.