New Delhi, June 2 -- Your thyroid gland produces hormones called triiodothyronine (T3) and thyroxine (T4). These hormones control your metabolism, which affects how your body uses calories. They also play a role in many bodily functions, such as your heart rate. When someone has hyperthyroidism, it can cause changes in the heart and lead to irregular heartbeats, making exercise harder. In severe cases of hyperthyroidism, the heart may struggle to pump enough blood during intense physical activity.

How does exercise affect thyroid hormones?

"Physical exercise can potentially improve thyroid hormone levels, boost metabolism and lower stress hormones (cortisol)," Nutritionist Aman Puri tells Health Shots. There are several ways in which ex...