高温之下 吃“冰”也要讲究“科学性” | 夏日安全消暑科普↓

Core Viewpoint - The article discusses the health implications of consuming cold foods like ice cream during hot weather, highlighting a phenomenon known as "brain freeze" or "ice cream headache" that can occur after eating cold treats [1][10]. Group 1: Health Effects of Cold Foods - Consuming cold drinks can stimulate the parasympathetic nervous system, reduce autonomic nervous system disorders, and enhance digestion by promoting gastrointestinal motility and increasing appetite [7]. - "Brain freeze" is characterized by intense pain in the forehead and temples, lasting from a few seconds to a maximum of 2-5 minutes, and may be accompanied by nausea and vomiting [10]. - The condition can occur after consuming cold foods in two scenarios: eating cold treats quickly or drinking cold beverages after intense physical activity, which can irritate cranial blood vessels [12]. Group 2: Recommendations for Consuming Cold Foods - It is advised to consume cold drinks during midday when the body's yang energy is strongest, ideally after meals rather than on an empty stomach [15][17]. - When consuming cold foods, it is recommended to take small amounts, allowing them to warm in the mouth for 3-5 seconds before swallowing, and to avoid excessive consumption in a short period [17]. - Individuals with a history of migraines or children with underdeveloped temperature regulation should be cautious with cold food consumption [17].