You’ve probably heard that having an underactive thyroid (hypothyroidism) can make you feel perpetually tired. But what about hyperthyroidism? Can an overactive thyroid lead to fatigue, too? As it turns out, it’s a symptom the two conditions share.
There are 50 different types of hormones that help your body work properly. Learn about seven key hormones you should know — and what the signs are when you have a hormonal imbalance.
Can birth control cause thyroid problems? An endocrinologist explains how birth control affects the thyroid, and what you can do to protect yourself.
Is there any merit to a diagnosis of “Wilson’s syndrome?” Our expert weighs in on this oft cited explanation for fatigue.