Your thyroid gland is powerful little machine that makes essential hormones that can impact your mental health. Over- or under-active thyroid glands can cause weight loss or gain, depression, fatigue, and anxiety. A simple blood test can tell your doctor if you are impacted by a malfunctioning thyroid that can be managed with low-cost medications. If you are struggling with any of these symptoms, make an appointment with your physician to have your checked and live better.