The Effects of Thyroid Hormones on Health

Dr. Bianco: We want thyroid hormone levels to be within normal range beyond how it makes us feel. There are also other consequences if our thyroid levels get out of whack, Dr. Bianco says. If you're taking too little a thyroid hormone and your TSH is above what it should be, above the normal range, that's also not good. The heart could have complications in the cardiovascular system.