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].