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Netizens on Facebook (FB) have revived a July 2016 post by page Pinoy Health Tips warning people of a house plant that supposedly causes cancer through the "chemical releases" of its flower.
But there are no records or scientific evidence supporting the FB post’s claim that the plant is cancerous. It has also been debunked by experts from other countries that the hoax has reached, such as Malaysia and Singapore.
Pinoy Health Tips also cited the World Health Organization (WHO), a “Chinese Medical Research Institute,” and the “Malaysian Health Department” as its sources.
An online search also showed that there are numerous Chinese Medical Research Institutes in different parts of China. However, none affirmed the carcinogenic claim on the ZZ plant.
Existing records show that the erroneous claim made by Pinoy Health Tips has been circulating online since 2010. It was revived some years later by Malaysian netizens, after a post went viral claiming two Universiti Sains Malaysia students died of leukemia while conducting a study on the ZZ plant.
In 2018, a Singaporean horticulturist also said there are “no peer-reviewed, reputable, scientific research reports to back claims that the ZZ plant (Zamioculcas zamiifolia) releases toxic gases that are harmful to humans,” in a Q&A on the Straits Times website.
Dr. Wilson Wong, a National Parks Board-certified horticulturist and adjunct assistant professor of Food and Technology at the National University of Singapore, only advised that people with sensitive skin should avoid touching the plant’s sap and tissues as it may cause irritation, and that eating it may cause one’s mucous membranes to get inflamed.
Pinoy Health Tips’ inaccurate post already got over 14,000 reactions, 4,500 comments, and 457,000 shares from FB users. The FB page, created in November 2015, has a history of sharing false information.