Your thyroid gland produces two hormones: T3 and T4. T4 is made in larger amounts, but most of it is converted to T3 before your body actually uses it. Your thyroid makes very little T3, but this hormone is the more active of the two. TSH, or thyroid stimulating hormone,...
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If you have been feeling lethargic and losing or gaining weight unexpectedly, your doctor is likely to want to examine your thyroid function. Your thyroid gland is located in your neck, and it secretes hormones that are necessary for healthy metabolism. If your thyroid is not functioning properly, you may...
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An abnormal thyroid is a health issue you want to treat quickly. Depending on the type of imbalance, your thyroid issues may make you uncomfortable, cause you to gain weight or even cause lasting harm. The following standard thyroid tests can be done to determine whether or not your thyroid...
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