A thyroid is a butterfly shaped gland located on the front side of your neck, just below the Adam’s apple. This gland is crucial for keeping your body running by providing hormones. Two hormones, Triiodothyronine (T3) AND THYROXINE (T4), are responsible for metabolism affecting weight, growth, body temperature changes, heart rate, and brain development during infancy and childhood.   Like …

Animals are sometimes used in the development of drugs, vaccines, other biologics, and medical devices, mainly to help determine the safety of the medical product. They can be used to measure how a biologic is absorbed in the blood, how it is broken down chemically in the body, the toxicity, and how quickly the product is excreted from the body. …