Most thyroid tests don’t require any special preparation. However, the radioactive iodine uptake scan requires you to abstain from certain foods and medications for up to several weeks. If a doctor ...

You generally don’t need to fast before a thyroid test, but a healthcare professional may advise you to prepare in other ways. The thyroid gland sits at the front of your neck and helps control your ...

Performing a self-neck check can help in the early detection of thyroid cancer — however, neck swelling does not always signify thyroid cancer. Sometimes, a medical examination is necessary. Share on ...

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 ...