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    • New disease caused solely by plastics discovered in seabirds
     
    March 6, 2023

    New disease caused solely by plastics discovered in seabirds

    MarineNews

    New research now shows that seabirds are suffering from a plastic-induced illness named ‘plasticosis’, the Natural History Museum has said.

    Rather than being caused by viruses or bacteria, ‘plasticosis’ is caused by small pieces of plastic which inflame the digestive tract. Over time, persistent inflammation causes tissues to become scarred and deformed, with knock-on effects on growth, digestion and survival.

    Dr Alex Bond, who co-authored the study and is Principal Curator and Curator in Charge of Birds at the Museum, says, ‘While these birds can look healthy on the outside, they’re not doing well on the inside.’

    ‘This study is the first time that stomach tissue has been investigated in this way and shows that plastic consumption can cause serious damage to these birds’ digestive system.’

    Researchers found that the more plastic a bird had ingested, the more scarring it had. The disease can lead to the gradual breakdown of tubular glands in the proventriculus. Losing these glands can cause the birds to become more vulnerable to infection and parasites and affect their ability to digest food and absorb some vitamins.

     

    Photo: Dylan Shaw

     

    The scientists discovered plasticosis as part of their research on Lord Howe Island, where they have been researching seabirds for the past decade.

    While plasticosis is only known from one species so far, the scale of plastic pollution means that it may be much more widespread. It could even be having impacts on human health.

    Further information and resources:

    The findings of the research were published in the Journal of Hazardous Materials.

    The story was covered in the Guardian, Daily Mail and Sky News.

    Further information can be found on the Natural History Museum website here.

    Tagged: Lord Howe Island, Plastic pollution

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