Climate change can cause permanent allergies. Free Technical Library News

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Climate change could cause permanent allergies

21.10.2022

Experts from the Italian Society of Allergology, Asthma and Clinical Immunology (SIAAIC) warn that global warming may lead to the progression of hay fever, which now lasts one to two months.

According to experts, climate change will lead to a 200% increase in pollen produced by plants within a few decades. This causes severe and prolonged allergy symptoms.

The increase in temperature, allergists explain, determines the distribution of pollen of different types, which usually bloom in spring and summer, even in autumn. According to a study published in the journal Nature Communications, the critical season for allergies will start up to 40 days earlier in the spring and will be extended by three weeks in the fall.

"Already now we are fixing not only in the spring the complaints of allergy patients. And the warming will lead to the fact that many of them will suffer from pollinosis almost all year round," said Gianenrico Senna, president of SIAAIC, professor of respiratory diseases at the University of Verona (Italy), reports the news agency. ANSA.

The monitoring of airborne pollen in the atmosphere over the past 30 years already shows obvious changes. Scientists note that the extension of the pollination season in ragweed and parietaria, which now bloom from July to October.

"If we do not decide to drastically reduce CO2 emissions into the atmosphere, we will soon see an increase in pollen from plants. This will affect not only the duration of the allergy, but also its intensity," the expert warns.

The scientist advises the wise use of antihistamines. And although they have no contraindications, it is still important that they be prescribed by a specialist who can evaluate the possibility of specific allergen immunotherapy.

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