It is estimated that 20 million Americans have thyroid disease, and 60% of those who have it, may not be aware. Your thyroid is responsible for a number of functions in the body, including regulating your metabolism, producing hormones, and controlling your heart rate and muscle function.
Thyroid dysfunction falls between two main categories: underactive thyroid (hypothyroidism) and overactive thyroid (hyperthyroidism).
Symptoms of Hypothyroidism
Symptoms of Hyperthyroidism
It’s important to note that many of these symptoms overlap with other causes. Testing is the more effective way to determine the cause of your symptoms and take the next steps toward treating them.