The underactive thyroid test shows whether your thyroid is functioning normally and if the cause of this problem may lie in following:
- constant fatigue;
- depressed mood;
- constant chills:
- weight gain;
- dry or cracking skin, brittle nails and excessive hair loss;
- menstrual cycle disorders.
Thyroid diseases are very common – according to US data, 12% of the population and 1 in eight women experience thyroid diseases throughout their lifetime.