晒背是“天然艾灸”，错过等一年！中医教你如何打通“任督二脉”

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].