Decorative ceramic wares may contain high levels of cadmium that can increase the risk of cancer, reports a new study. The findings of the study are published in the journal Science of the Total Environment. Cadmium is commonly used to give products a bright red, orange or yellow pigment, but over time the decoration on glass can start to flake, and the glaze on ceramics fail, ingestion of which can potentially raise risks to human health as well as the environment.
‘Love to decorate your homes with glass painting and ceramic wares? Beware! Cadmium present in it can raise the risk of cancer. Cadmium is listed among the World Health Organisation's ten chemicals of major public health concern.’The findings, led by the University of Plymouth in the UK, showed that cadmium was also found in everyday household products like second-hand plastic toys, drinking glasses, alcoholic beverage bottles.
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The surfaces of these common items were covered by cadmium more than the recommended levels which are said to be ranging from 50 to 800 parts per million (ppm).
The highest readings of up to 70,000 ppm were recorded on the enamels of old and new drinking glasses and bottles, with cadmium detected in about 70 percent of the 197 logos, patterns, text, pictures, and cartoons tested on 72 products, revealed the researchers.
"If you asked most people about cadmium, they would probably know very little about it. But it is listed among the World Health Organisation's ten chemicals of major public health concern, alongside substances such as lead and asbestos," said Andrew Turner, Associate Professor from the varsity.
"The health risk depends on how easily the cadmium can flake off or leach out. Additional tests performed indicate that this is greatest for enameled glassware," said Turner.