Your thyroid is your body's silent workhorse—most of the time, it functions so smoothly that we forget it's there. But this little, butterfly-shaped gland that sits at the base of your neck helps regulate your metabolism, temperature, heartbeat, and more, and if it starts to go haywire, you'll notice. An underactive thyroid—when the gland fails to produce enough thyroid hormone (TH)—can bring on weight gain, sluggishness, depression, and increased sensitivity to cold. An overactive thyroid, on the other hand, happens when your body produces too much TH, and can cause sudden weight loss, irregular heartbeat, sweating, nervousness, and irritability.
Almost 5 percent of the U.S. population over the age of 12 has some form of hypothyroidism. (1) Some estimates suggest up to 40 percent of the population suffers from at least some level of underactive thyroid. Women — especially older women — are the most susceptible group for developing hypothyroidism. People who are elderly or who have other existing autoimmune diseases — like type 1 diabetes, rheumatoid arthritis and celiac disease, for example — are also at a higher risk.
If you have signs or symptoms the same or similar to hypothyroidism, discuss them (for example, weight gain, constipation, or fatigue) with your doctor or other healthcare professional. A simple blood test is the first step in the diagnosis. If you need treatment for hypothyroidism, let your doctor know of any concerns or questions you have about the available treatment, including home or natural remedies.
Because it helps balance hormone levels, selenium can lower the risk for experiencing thyroid disorder during pregnancy (postpartum thyroiditis) and afterwards. Other studies have shown that when selenium deficiency is resolved through supplementation, patients experience on average 40 percent reduction in thyroid antibodies compared to a 10 percent increase in the placebo group. Selenomethionine is the preferred form of selenium supplementation as it is the form found naturally in food and about 90% of it is absorbed.
Another great source of selenium, nuts make a handy snack that you can take anywhere. They also go well in salads or stir-fries. Brazil nuts, macadamia nuts, and hazelnuts are all particularly high in selenium, which helps the thyroid function properly. With Brazil nuts, you only need to eat one or two; with other nuts, a small handful is enough to get your daily nutrients — and be sure to keep an eye on portion size, as nuts are also very high fat.
Megan Casper, RDN, a dietitian based in New York City and the founder of Nourished Bite, points out that iodine deficiency is the leading cause of hypothyroidism worldwide. This mineral can’t be made by the body, so dietary sources like iodized salt, dairy products, seafood, seaweed, and fortified cereals are important. “Iodine is an essential nutrient in the body, and thyroid hormones are composed of iodine,” explains Rizzo. “Those lacking thyroid hormones may also be lacking iodine.”
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Please Note: The material on this site is provided for informational purposes only and is not medical advice. Always consult your physician before beginning any diet or exercise program.
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