Sign 4: Alterations in Your Heart Rate and Circulation
Your cardiovascular system responds highly sensitively to the exact amount of thyroid hormone circulating in your bloodstream. If you have hyperthyroidism, your heart rate can become dangerously fast and irregular. You might experience unsettling palpitations, a pounding sensation in your chest, or a resting heart rate that stays consistently above one hundred beats per minute.
This overstimulation places significant strain on your heart muscle and increases your risk for atrial fibrillation. Alternatively, hypothyroidism slows your heart rate down, sometimes dropping it to less than sixty beats per minute. It can also cause your blood pressure to rise and contribute to elevated cholesterol levels, slowly accelerating the buildup of plaque in your arteries.
Monitoring your cardiovascular health from home is a highly practical and empowering habit. Purchase a reliable home blood pressure monitor that also clearly displays your pulse. Take your readings at the exact same time each morning before you consume any coffee or take your morning medications.
Write these numbers down in your daily health log. If you consume large amounts of caffeine, try gradually reducing your intake, as coffee and certain dark teas can exacerbate heart palpitations and mask the true nature of your resting heart rate. Always remember that any sudden, severe chest pain or shortness of breath requires immediate emergency medical attention, regardless of your thyroid status.
Sign 5: Uncharacteristic Sensitivity to Cold or Heat
Your thyroid acts as your body’s internal thermostat, carefully regulating your core temperature by controlling how your cells burn available energy. When your thyroid function drops, your cells burn fewer calories, generating significantly less heat. Consequently, you might find yourself shivering and reaching for heavy sweaters even when you are sitting in a perfectly warm room.
Your hands and feet may feel perpetually like ice. Conversely, an overabundant supply of thyroid hormones shifts your internal furnace into severe overdrive. Seniors with hyperthyroidism often experience sudden hot flashes, excessive sweating, and a profound inability to tolerate warm summer weather or heated indoor environments.
Managing these temperature fluctuations safely requires a thoughtful approach to your environment and your wardrobe. Instead of drastically altering your home’s thermostat—which might make your living companions highly uncomfortable and drastically increase your energy bills—utilize the practical strategy of layered clothing.
Wear multiple thin, breathable layers of natural fabrics like soft cotton or merino wool. This technique allows you to easily add or remove clothing as your internal temperature fluctuates throughout the day. If you struggle with feeling chronically cold, use heated blankets with automatic shut-off timers to ensure you stay warm safely without the risk of accidental burns. If heat intolerance is your primary struggle, keep a refreshing glass of ice water nearby and place cooling gel packs on the back of your neck to quickly lower your body temperature.
