Group 1 - The article discusses the popularity and claims surrounding a device called the "field导仪" (Field导入仪), which is marketed as a health and wellness tool for middle-aged and elderly individuals, with prices ranging from 1,000 to 3,000 yuan [1][3][5] - The device is said to transform regular water into "small molecule water" through specific frequency vibrations, which proponents claim has various health benefits, including detoxification, immune enhancement, and even the ability to replace certain medications [5][7][8] - Users have reported miraculous health improvements, such as lowering blood pressure and healing chronic conditions, leading to exaggerated claims that drinking this water can solve 99% of health issues [8][10][12] Group 2 - The marketing of the field导仪 relies on anecdotal evidence and dubious claims, such as the association with the longevity of residents in Bama, a region known for its high number of centenarians, suggesting that the device can replicate the "magical" water of the area [25][32] - The article critiques the scientific validity of the claims made about the device, pointing out that the evidence provided by manufacturers is weak and often based on misinterpretations of scientific principles [32][40][41] - The field导仪 is compared to other pseudoscientific products, highlighting a trend where companies exploit scientific concepts to market ineffective health products, often targeting vulnerable populations like the elderly [42][56][61]