Hypothyroidism is a systemic disease that is characterized by a decrease in the body’s metabolic rate due to insufficient synthesis or secretion of thyroid hormones, referred to as hypothyroidism. Hypothyroidism can slow down all the physiological functions of your body and cause a series of symptoms. Hypothyroidism is a very common disease worldwide, especially in women over 40 years old, almost 1 in 10 people suffer from different degrees of hypothyroidism, although the early symptoms of hypothyroidism are not obvious, but it has been quietly eroding your health! Early detection, early treatment, as long as the right treatment, you can have a normal and happy life. The self-checklist teaches you to identify hypothyroidism early and stay away from the disease. If you answer “yes” to 5 or more of the following questions, you may be suffering from hypothyroidism (hypothyroidism). 1. I feel tired, often sleepy, and have low physical strength and energy; 2. My brain is slow, I have difficulty concentrating, my memory decreases, and my actions and reactions become slower; 3. I have gained weight; 4. My skin becomes dry, my nails become brittle, gray, and broken; 5. I often feel cold (even when others feel comfortable); 6. I feel depressed and 7, my intestines and metabolic level, seems to be slowed down, and sometimes constipation; 8, my muscles and bones stiff and painful, hands feel numb; 9, my blood pressure increased or heart rate slowed down; 10, my cholesterol level increased.