Goiter is to some extent a hereditary condition, so people with a family history of it should pay extra attention to it. In addition, some bad habits can also lead to goiter, so the development of good habits should not be ignored. It is also important to understand the causes of this disease so that it can be detected and treated in a timely manner when it appears. In addition to genetic factors, iodine deficiency is the main reason for the onset of the disease, so people should ensure adequate daily intake of iodine in their diet to better prevent the disease. It is important to develop good lifestyle habits as they can lead to goiter. In terms of symptoms, the affected person will experience difficulty in whistling at the onset of the disease. This is because the goiter will cause displacement of the trachea, thus causing compression of the trachea and leading to severe difficulty in whistling. In addition, patients may also experience hoarseness in tone and coughing. This is due to the enlargement of the thyroid gland, which causes compression of the nerves associated with the throat system, causing irritation to the throat and triggering the above symptoms. Difficulty in swallowing is also a symptom of an enlarged thyroid gland, which is located between the esophagus and the trachea and therefore causes difficulty in swallowing. The effects of an enlarged thyroid gland on the human body are great, not only in appearance and different from others, but also in terms of harm to the body, such as the impact on the whistling system and the obstruction of the digestive system, so it is important to treat this disease in a timely manner, and early prevention should not be ignored. At the same time, people need to know about the disease in order to detect it as early as possible before it arrives and treat it in time so that the disease stays away from you as soon as possible.