The book introduces hypothyroidism, also called underactive thyroid, and explains how low production of thyroid hormones affects metabolism. It highlights forms such as congenital hypothyroidism and subclinical hypothyroidism. Readers will learn about risk factors including older age, menopause, radiation therapy, autoimmune disorders like Hashimoto’s disease, and genetic conditions such as Down syndrome and Turner syndrome.
Symptoms are described, including fatigue, weight gain, constipation, dry skin, puffiness, hoarseness, intolerance to cold, hair loss, hearing loss, infertility, joint pain, depression, and drooping eyelids. The book also discusses serious complications such as pregnancy problems, cardiovascular disease, high cholesterol, myxedema, confusion, coma, and heart failure.
Diagnostic methods like blood tests and thyroid ultrasound are covered. Treatments are explained, with emphasis on hormone replacement therapy and medications that restore thyroid hormone levels. The role of iodine-rich foods is also discussed.
This book will interest students, healthcare workers, and readers who want to learn about hypothyroidism, its causes, and available treatments.