But sometimes your thyroid doesn't produce enough hormones, or produces far too much of one hormone, upsetting this precision and resulting in an imbalance in your body. (ericbakker.com)
This is a condition that inhibits the thyroid from producing enough hormones. (theeverythingdogsite.com)
When your thyroid doesn't produce enough hormones, the balance of chemical reactions in your body can be upset. (mayoclinic.org)