"Polluted air is poisoning millions of children and ruining their lives"

GENEVA, Oct 29 (Reuters) - Air pollution kills an estimated 600,000 children every year and causes symptoms ranging from loss of intelligence to obesity and ear infections, but there is a limited amount parents can do, a World Health Organization report said on Monday.

Parents should try to avoid household air pollution by using less polluting fuels for cooking and heating and not smoking, but to reduce child exposure to ambient pollution they need to lobby politicians to clean up the environment, WHO experts said.

"Polluted air is poisoning millions of children and ruining their lives," WHO Director-General Tedros Adhanom Ghebreyesus said in a statement. Large parts of Asia, Africa and Latin America are among the worst affected.

"This is inexcusable. Every child should be able to breathe clean air so they can grow and fulfil their full potential."

The WHO report, "Prescribing clean air", summarised the latest scientific knowledge on the effect on children of air pollution, which affects about 93 percent of children globally.

Maria Neira, WHO's head of environmental determinants of health, said the worrying findings highlighted in the study, including evidence of pollution causing stillbirth and preterm birth, as well as diseases into adulthood, should lead to policy changes globally.

"Something that is critical as well is this issue of the neuro-development," she said.

"Imagine that our children will have less cognitive IQ. We are talking about putting at risk a new generation of having a reduced IQ. This is not only new but terribly shocking."

There was clear, consistent evidence of an association between ambient air pollution and otitis media, or ear infections, the study said, as well as some evidence of it causing obesity and insulin resistance in children.

Air pollution can also cause childhood cancers, asthma, poor lung function, pneumonia and other types of acute lower respiratory infection, the report said.

(Reporting by Tom Miles Editing by Matthew Mpoke Bigg)

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