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.
When any kind of stress cues the brain, it releases corticotrophin-releasing hormone (CRH) which tells the pituitary gland to signal the adrenal glands to make cortisol. But both CRH and cortisol can suppress the thyroid-stimulating hormone (TSH), as well as impact the conversion of the T4 thyroid hormone into T3.