Medically reviewed by Kelly Wood, MD Key Takeaways Hyperthyroidism is when the thyroid makes too much hormone, affecting ...

The thyroid, a small gland shaped like a butterfly located in your neck, greatly influences your body. It produces hormones that control metabolism, energy levels, body temperature, and more. When ...

Can toothpaste cause thyroid problems? Learn the truth about fluoride, ingredients, and real thyroid risk factors.