Core Viewpoint - The article emphasizes that most thyroid nodules are benign and encourages proper understanding, early prevention, and scientific response to manage concerns effectively [1]. Group 1: Understanding Thyroid Nodules - A significant number of health check reports indicate the diagnosis of "thyroid nodules," but most of these nodules are benign [1]. - It is crucial to recognize the characteristics of nodules and the importance of early detection and management [1]. Group 2: Self-Examination Techniques - Self-examination can be performed by observing the neck while swallowing to check for any lumps [5]. - Palpation of the thyroid area can help identify any hard lumps that move with swallowing [7]. Group 3: Clinical Screening and Diagnosis - Thyroid ultrasound is a non-invasive method with high sensitivity for assessing nodules and determining TI-RADS classification, which is essential for evaluating malignancy risk [9]. - Fine needle aspiration biopsy (FNA) is the gold standard for preoperative diagnosis of high TI-RADS nodules [11]. Group 4: Management Strategies - High-risk nodules should undergo ultrasound-guided FNA for pathological diagnosis to guide further treatment [15]. - Lifestyle adjustments, including regular sleep, exercise, and dietary management, are recommended to reduce risk factors associated with thyroid nodules [17][18]. Group 5: Emotional and Environmental Considerations - Managing stress and maintaining a balanced emotional state can help mitigate risks associated with thyroid nodules [22]. - Reducing exposure to environmental pollutants and adhering to occupational safety measures are essential for prevention [25][26]. Group 6: Importance of Regular Check-ups - Regular comprehensive health check-ups, including thyroid ultrasound and function tests, are vital for early detection of nodules, especially for high-risk individuals [29].

Group 1 - The article discusses a simple daily exercise that can help improve thyroid health, specifically mentioning a "lazy person's action" that takes only five minutes [1][2]. - It suggests that performing this exercise regularly may lead to a reduction in the size of thyroid nodules [2]. Group 2 - The source of the information is from China News Network, indicating that the content is a reprint and requires authorization for any further use [3].

Core Viewpoint - The article discusses the increasing prevalence of thyroid nodules, particularly among women, and explores the underlying factors contributing to this trend [1][2]. Group 1: Prevalence and Demographics - Thyroid nodules have a prevalence rate of 3% to 4%, with women accounting for 70% of cases, especially those aged 20 to 40 [1]. - The occurrence of multiple nodules is more common in the female population [1]. Group 2: Contributing Factors - Emotional factors play a significant role, as women tend to experience greater emotional fluctuations, which can negatively impact thyroid health [1][2]. - Hormonal imbalances, particularly related to estrogen, are closely linked to thyroid function and can exacerbate the formation of nodules [2]. Group 3: Physical Symptoms and Health Implications - As nodules worsen, physical changes such as neck swelling, difficulty swallowing, and even breathing issues may occur [2]. - Thyroid nodules can disrupt endocrine regulation, leading to significant weight fluctuations and metabolic imbalances [2]. Group 4: Prevention and Care - Emphasizing the importance of preventive care, the article suggests maintaining a balanced diet, managing iodine intake, and fostering a positive mental state to support thyroid health [2][3]. - Recommendations include avoiding excessive fatigue and ensuring a balanced lifestyle to mitigate the risk of thyroid issues [2].

Group 1: Thyroid Nodules - The most common examination for thyroid nodules is thyroid ultrasound, which can diagnose the presence of nodules [1] - X-ray examination can observe whether there is calcification in thyroid nodules [1] - Thyroid nuclear scanning can determine whether the nodules are cold or hot [1] - Generally, if a thyroid nodule reaches grade 4, it requires specialist consultation and close follow-up, which involves increased frequency of specialized examinations rather than annual check-ups [1] Group 2: Breast Nodules - Breast ultrasound remains the first choice for screening breast nodules due to its non-invasive, painless, and radiation-free nature [3] - Mammography is effective in capturing microcalcifications and is suitable for women over 50 or those with less breast tissue as an additional examination [3] - According to ultrasound grading reports, if a nodule reaches grade 4, immediate specialist consultation is recommended [3] Group 3: Lung Nodules - Lung nodules refer to space-occupying lesions in the lung with a diameter of less than 3 centimeters, typically examined through chest X-rays and chest CT scans [5] - Chest X-rays can detect larger nodules, while nodules near the lung hilum may require chest CT for further evaluation [5] - Generally, solid nodules larger than 6 millimeters and ground-glass nodules larger than 8 millimeters are recommended for further evaluation [5]

Core Viewpoint - The increasing detection of thyroid nodules due to enhanced ultrasound technology and health check-ups raises concerns among individuals, despite most nodules being benign. There is a need for proper understanding and management of thyroid nodules, as many popular remedies circulating online may pose health risks [1][2]. Group 1: Types of Thyroid Nodules - Thyroid nodules are categorized into three types: solid nodules, cystic nodules, and mixed nodules. Solid nodules, which consist of follicular cell proliferation, generally do not disappear. Cystic nodules may shrink or disappear if the cystic fluid is absorbed by the body. Mixed nodules may reduce in size but will not completely vanish [2]. - Subacute thyroiditis can lead to nodules that may shrink or disappear after inflammation subsides [2]. Group 2: Risks of Popular Remedies - There are currently no specific medications to reduce or eliminate thyroid nodules. Popular remedies such as hot compresses and dandelion tea may carry health risks. For instance, hot compresses can increase blood supply to the nodules, potentially causing them to grow larger [2]. - Dandelion tea does not guarantee the elimination of nodules and may cause discomfort in individuals with certain health conditions. Other methods like massage, acupuncture, and scraping do not address the underlying issues of nodules [2]. Group 3: Treatment Options - Surgical intervention or radiofrequency ablation may be considered for malignant or suspicious nodules, large benign nodules causing symptoms, or specific thyroid conditions. A cytological diagnosis is necessary before considering radiofrequency ablation [5]. - Most benign thyroid nodules do not require medication if they are not associated with hyperthyroidism or hypothyroidism. It is advised to avoid unverified remedies and to manage health scientifically with regular follow-ups [5].

Group 1 - The core issue of iodine deficiency remains a public health concern in China, with a significant portion of the population still lacking adequate iodine intake despite improvements over the years [2][4][3] - The recommended daily iodine intake for pregnant women is 230 micrograms, which is double that of adults, highlighting the importance of sufficient iodine during pregnancy to prevent developmental issues in infants [1][2] - The implementation of universal salt iodization has been effective in reducing the prevalence of iodine deficiency disorders, with a reported iodized salt coverage rate of 94.8% and a suitable iodine nutrition status among pregnant women [3][4] Group 2 - Despite the progress made, there is a growing misconception among the public that iodine deficiency is no longer a concern, leading to increased consumption of non-iodized salt [4][6] - Iodine is essential for the synthesis of thyroid hormones, which are crucial for metabolism and overall health; a lack of iodine can lead to various health issues, including thyroid dysfunction [4][6] - Epidemiological studies indicate that iodine deficiency is a risk factor for thyroid nodules, and adequate iodine intake may help reduce the incidence of such conditions [7][6] Group 3 - The majority of salt consumed in China is from well and rock salt (87%), with iodized salt being the recommended option to meet iodine needs while also addressing sodium intake [8] - In coastal regions, despite the availability of iodine-rich foods like seaweed, the consumption frequency is low, making iodized salt a necessary source of iodine for residents [9][8] - The public health strategy of iodizing salt is recognized as a safe, effective, and low-cost method to ensure adequate iodine intake across the population [7][3]