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The thyroid is the engine of your body, says Dr. Jennifer Mammen, an endocrinologist and assistant professor of medicine at Johns Hopkins. While your fitness won’t affect how well that engine is or isn’t running, the thyroid sets a baseline for your metabolism and you’ll surely notice if that engine starts to slow.
“It’s an adaptive system,” says Dr. Mammen, “helping your body adapt appropriately to the environment and with what’s available.”
Hypo and hyperthyroidism occur when the thyroid is under and over performing respectively. Several elite athletes have recently shared their experience with hypothyroidism, specifically. In January 2022 Olympic marathoner Jared Ward shared his diagnosis of Hashimoto’s disease, which causes hypothyroidism.
Even more recently, Des Linden, the 2018 Boston Marathon champion and Olympian, revealed her hypothyroidism…
