Thyroxine (T4) is the main hormone your thyroid makes. Your thyroid hormones are important because they control how your body uses energy from the food you eat. (Photo Credit: iStock/Getty Images) T4 ...
If your healthcare provider has ordered a T4 test, you may wonder what it is. Thyroxine is another name for T4, which is one ...
Know how thyroid hormone affects your heart, from heartbeat and blood pressure to risks of hyperthyroidism and hypothyroidism ...