Loss of appetite is usually a symptom of another medical condition. Aging, anemia, and cancer can cause appetite changes. Diabetes and hypothyroidism may suppress eating desire. Infections and medications can temporarily affect appetite. Pregnancy and stomach issues can decrease appetite
Cold feet may be a normal body response or medical condition. Additional symptoms include weakness, pain, and skin color changes
Hypothyroidism occurs when thyroid produces insufficient hormone. Symptoms can be mild or unnoticeable in early stages. No single symptom definitively confirms diagnosis
Thyroid gland produces insufficient thyroid hormone. Thyroid controls metabolism and affects body functions. Symptoms include fatigue, weight gain, and cold sensitivity
Hypothyroidism occurs when thyroid gland produces insufficient thyroid hormone. Early symptoms may be subtle, developing gradually over years. Blood tests are used to diagnose the condition. Treatment with thyroid hormone medication is effective once dosage is established
Hypothyroidism affects 0.3% of US population, seven times more common in females. Diagnosis requires TSH and free thyroxine levels, normal TSH range is 0.4-4.5 mIU/L. No evidence supports routine screening for thyroid dysfunction