The thyroid gland is part of the endocrine system (along with the adrenal glands, hypothalamus, pituitary ... Two capsules surround the thyroid gland—an outer layer that connects to the voice box ...

Dehydroepiandrosterone (DHEA) is a hormone produced by the adrenal glands that is critical to the production of estrogen and testosterone. DHEA supplements are commonly used to improve aging skin, ...