碱性食物是“万能灵药”？小心被忽悠

Core Viewpoint - The article discusses the misconceptions surrounding "alkaline foods" and their purported health benefits, emphasizing that many claims made by sellers are misleading and not supported by scientific evidence [1][3]. Group 1: Misleading Marketing Claims - Many products marketed as "alkaline foods" claim to help with weight loss, body regulation, and fertility, but these claims are often exaggerated and not scientifically validated [1]. - The marketing strategies used by sellers often include vague terms and euphemisms, misleading consumers about the actual benefits of these products [1]. Group 2: Scientific Perspective on pH and Health - Experts assert that the human body's pH balance is typically stable and only deviates in cases of specific medical conditions, indicating that dietary changes have minimal impact on overall pH levels [3][10]. - The concept of "alkaline foods" refers to their effect after digestion, not their immediate impact on the body's pH, and consuming these foods does not significantly alter the body's acid-base balance [6][8]. Group 3: Nutritional Recommendations - A balanced diet is recommended, emphasizing the importance of variety in food choices, with suggestions to consume at least 12 different types of food daily and 25 types weekly for optimal health [11][12]. - The article outlines a structured approach to a balanced diet, categorizing foods into five groups and encouraging the consumption of all categories for nutritional balance [14].