Hypothyroidism is when the thyroid gland is underactive and produces too little thyroid hormone. Hyperthyroidism is when the thyroid gland is overactive and produces too much thyroid hormone.
Yes, thyroid problems can run in families. If your relatives have thyroid disorders, you may be at a higher risk.
The most common type of autoimmune thyroid disorder is Hashimoto's thyroiditis, which causes hypothyroidism.
Poor diet, lack of exercise, high stress, and smoking can contribute to thyroid problems. Avoiding these can help maintain thyroid health.
Foods high in iodine, such as iodized salt and certain seafood, can affect thyroid function if consumed in large amounts. Soy products and certain vegetables like cabbage and broccoli may also impact thyroid health.
Normal thyroid levels are measured by TSH (thyroid-stimulating hormone) and should be between 0.4 and 4.0 mIU/L. Your doctor can provide specific ranges for other thyroid hormones.
Thyroid problems can be serious if left untreated. They can affect your metabolism, heart, and overall health. With proper treatment, most thyroid issues can be managed effectively.
A thyroid face may show signs like puffiness, especially around the eyes, and dry skin in hypothyroidism. In hyperthyroidism, you might see weight loss, bulging eyes, and a goiter (swollen neck).
Conditions 
