No relief for allergy sufferers. After a wave of birch pollen, it’s the turn of grasses to reach the nostrils of the French. Eleven metropolitan areas are classified as red »high riskby the National Aerobiological Surveillance Network (RNSA) this week. Brittany, Pays de la Loire, Vienne, as well as Corsica and the Var are particularly concerned.
All of these areas currently accumulate several types of allergenic pollen: oaks, birches, and grasses. Allergy risk in var is also high for parietaria pollen (urticaceae), notes the RNSA. Their simultaneous presence is explained by the period. the birch pollen season is soon over while the grass pollen season begins.
Grasses usually grow along roadsides and in fields. These grasses provide a substantial part of the diet through cereals (wheat, rice, maize, barley and millet) and sugarcane. Some of these are particularly allergenic, such as rye, oats and wheat.
These pollen grains are enclosed insmall bags“, is invisible to the naked eye, and is full of allergenic molecules. When good weather arrives, accompanied by rising temperatures, these tiny bags burst, dispersing tiny particles into the atmosphere. Then they can be carried by the wind for tens of kilometers or remain suspended in the air.
50% of French people with allergies by 2050
When pollen comes into contact with the airways and mucous membranes, the immune system reacts with a number of different symptoms: sneezing, throat and eye irritation, stuffy nose, itching… Pollen is the first source of respiratory allergies in France and grasses. are among the most allergenic pollens. Almost 25% of people in France suffer from respiratory allergies, according to the RNSA. In 1962, only 3% of them were allergic and are likely to be.50% by 2050“, according to the World Health Organization.
This increase in allergy cases over time is partly explained by rising temperatures, which lengthen the pollen season, and pollution. The latter increases the allergenic power of pollen and aggravates the symptoms in humans. As the Weather Channel* reports, only rain washes the atmosphere and deposits dust on the ground. The weekend’s stormy showers will therefore certainly soothe the French’s allergies over the weekend.
*Weather Channel is the property of Figaro Group.
Source: Le Figaro
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