Core Viewpoint - Formaldehyde is a significant indoor air pollutant and is classified as a Group 1 carcinogen by the World Health Organization (WHO), posing serious health risks including chronic respiratory diseases and various cancers [2] Group 1: Misconceptions about Formaldehyde - Misconception 1: No odor equals safety; individuals often mistakenly believe that the absence of a smell indicates a safe environment, while many cannot detect formaldehyde even at hazardous levels [3] - Misconception 2: DIY methods are effective for removing formaldehyde; popular methods like using plants or citrus peels are largely ineffective and may create a false sense of security [4] - Misconception 3: Older homes are free of formaldehyde; formaldehyde can continue to be released from materials for many years after installation, making it essential to monitor air quality regardless of the age of the home [5] Group 2: Scientific Action Guidelines - Point 1: Scientific detection is crucial; reliance on scientific instruments for measuring formaldehyde levels is recommended over subjective assessments [6] - Point 2: Source control is the best prevention; during renovation and furniture selection, it is important to check formaldehyde release reports and choose low-emission materials [7][8] - Point 3: Continuous ventilation is the most effective method; regular air exchange is essential, especially in newly renovated spaces, to reduce formaldehyde concentrations [10][12] - Point 4: Auxiliary remediation methods can expedite solutions; using activated carbon and air purifiers can help, and professional remediation services may be necessary for severe cases [15][16]