What is hypothyroidism? Hypothyroidism, also called underactive thyroid, is when the thyroid gland doesn’t make enough thyroid hormones to meet your body’s needs. Thyroid hormones control the way the body uses energy, so they affect nearly every organ in your body, even the way your heart beats. The thyroid is a small gland in your neck that makes thyroid hormones. How common is hypothyroidism? Based on available literature and published research data, prevalence of hypothyroidism is around 11% in India. It is higher than prevalence in UK and USA. What are the symptoms of hypothyroidism? Hypothyroidism has many symptoms that...