Core Viewpoint - The article discusses the benefits of sunbathing on the back during the "Sanfu" period, emphasizing its role in traditional Chinese medicine for enhancing health and wellness. Group 1: Benefits of Sunbathing on the Back - Sunbathing is a traditional Chinese medicine method that stimulates meridians and acupoints, helping to replenish Yang energy and boost immunity [2] - The back is a key area for the bladder meridian and the governing vessel, which are crucial for regulating Qi and blood balance [2] - Benefits include: - Moisture removal and weight loss by enhancing the spleen's function [4] - Increased metabolism through improved blood circulation [4] - Blood and Qi regulation, leading to better overall vitality [5] - Cold and Yang replenishment, particularly for those with cold and damp conditions [6] Group 2: Precautions for Specific Groups - Not everyone is suitable for sunbathing; three groups should be cautious: - Individuals with weak constitutions, elderly, or those prone to skin allergies [9] - People with excessive Yang energy or Yin deficiency, who may experience discomfort after sunbathing [9] - Patients with underlying health conditions such as hypertension, coronary heart disease, or hyperlipidemia [10] Group 3: Guidelines for Effective Sunbathing - Important details for effective sunbathing include: - Choosing appropriate weather and time, avoiding prolonged exposure during peak sun hours [11] - Starting with 5-10 minutes and gradually increasing to 15-30 minutes, 2-3 times a week [13] - Avoiding immediate cold showers or air conditioning after sunbathing, allowing the body to adjust [15] - Staying hydrated with warm water or light saltwater, avoiding cold drinks [15] Group 4: Tips for Office Workers - Office workers can utilize their lunch breaks or afternoon time to sunbathe indoors by sitting with their backs to a window [17] - Specific areas like the waist or the area near the "Dazhui" acupoint can be targeted for health benefits [17]

Core Viewpoint - The article discusses the significance of "Sanfu Days" in traditional Chinese medicine, emphasizing the importance of "sunbathing on the back" as a natural method for dispelling dampness and enhancing yang energy during the hottest period of summer [1][2][3]. Group 1: Importance of Sanfu Days - "Sanfu Days" is considered the optimal period for dispelling dampness, as the body's metabolism is heightened and sweating is increased during the summer [2]. - The article highlights that this year has seen record high temperatures across many regions in China, coinciding with the onset of "Sanfu Days" [1]. Group 2: Benefits of Sunbathing on the Back - Sunbathing on the back is described as a "free natural moxibustion" that utilizes sunlight to warm the body and enhance yang energy, which is particularly effective during "Sanfu Days" [3][4]. - Experts from Shanghai University of Traditional Chinese Medicine indicate that sunbathing can directly warm the yang energy, resolve internal cold, and promote blood circulation [4]. Group 3: Suitability and Precautions - Sunbathing is recommended for individuals with cold and damp constitutions, such as those who feel cold, have cold extremities, or suffer from chronic conditions like arthritis [4]. - Certain groups, including those with skin conditions, children under 14, pregnant women, and individuals with specific health issues, are advised against sunbathing [5][6]. - Guidelines for safe sunbathing include choosing appropriate times, limiting exposure to 30 minutes, and ensuring the back is bare for effective sunlight contact [6].

Group 1 - The concept of "Sanfu Tian" is associated with the peak of Yang energy in nature, making it an ideal time for health practices like "sunbathing the back" to enhance Yang energy and dispel internal cold [1][3] - "Sanfu Tian" is recognized as a prime period for eliminating dampness, with traditional Chinese medicine suggesting that summer heat and increased sweating can lead to more exposure to wind and cold, necessitating special attention to dampness removal [1][3] - The practice of "natural moxibustion" through sunbathing the back has gained popularity, as it utilizes sunlight instead of burning moxa, being referred to as "free moxibustion" [1] Group 2 - Experts indicate that sunbathing the back is particularly beneficial for individuals with cold and damp constitutions, characterized by symptoms such as cold intolerance, cold extremities, and chronic fatigue [3] - Certain populations are advised against sunbathing the back, including those with skin conditions like lupus or psoriasis, children under 14, pregnant women, and individuals with hypertension, hyperlipidemia, or diabetes [3][4] - Precautions are necessary during sunbathing, such as avoiding sunburn, selecting appropriate times for exposure, and limiting sessions to no more than 30 minutes to prevent dehydration [4]