Core Viewpoint - Scientists claim to have discovered a truly zero-calorie food that differs from current market offerings labeled as zero sugar or zero calorie, which are often misleading [1][3]. Group 1: Food Characteristics - The food in question is polytetrafluoroethylene (PTFE), commonly known as Teflon, which is used as a non-stick coating for cookware [3][5]. - PTFE is characterized as a highly stable material that is resistant to corrosion, temperature extremes, and does not easily adhere to other substances, making it one of the most inert materials known [5][7]. Group 2: Scientific Research and Experiments - Historical experiments from the 1960s demonstrated that PTFE could be safely ingested without being absorbed or metabolized by the body, as shown in studies where rats were fed a high concentration of PTFE for 90 days without adverse effects [7][12]. - The researchers propose mixing food with PTFE particles in a 3:1 ratio to create a sensation of fullness without calorie intake, suggesting that this could theoretically aid in weight loss [12]. Group 3: Safety and Health Concerns - While PTFE itself is considered non-toxic, concerns arise from the potential presence of harmful substances like perfluorooctanoic acid (PFOA) used in its production, which has been linked to various health issues [16][18]. - The stability of PTFE is compromised at high temperatures, which can lead to the release of harmful substances, emphasizing the need for proper cooking practices to avoid overheating non-stick cookware [15][18].