The increase of the temperatures caused by the climate change might be provoking the increase of the cases of allergy. These are the conclusions of a study presented in the last annual meeting of the American Academy of Allergy, Asthma and Immunology, in New Orleans.
The study of Dr Renato Ariano, the Director of Allergy of the Hospital of Bordighera (Italy), he suggests that the biggest temperatures lengthen the period in which the plants develop pollen, ésto the production increases and as a result also the people who might suffer allergies.
During the last 30 years Dr Ariano registered the pollen quantity during the whole period, bearing in mind principally the five most sensitive varieties birch, cypress, olive tree, grass and stinging nettle.
Between the year 1981 and 2007 the remarks showed an advance in the beginning of the period of the pollen. In case of the stinging nettle, the period went forward 80 days, and in the olive trees, the period went forward 30 days. Also it was that the inhabitants of the area sensitive to the pollen had increased, while the allergic ones to the mites were supported without changes last 30 years.
This theory needs more studies, what is clear is that the period of the pollen has got longer and the levels are major, but also it can be that the grains of pollen are more alergénicos, since the plants are cultivated at major levels of dioxide of carbon.
Route Health24
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