Les habitacles de voiture potentiellement cancérigènes en cas de chaleur

Les habitacles de voitures pourraient être très dangereux pour la santé. L’augmentation de la température à l’intérieur des véhicules en cas d’exposition au soleil, pourrait favoriser le dégagement d’un gaz cancérigène à l’origine de tumeurs du foie ou de l’utérus.

Avec l’arrivée des températures estivales, attention si vous laissez votre voiture un plein soleil. Selon une étude publiée mardi dans la revue Environmental Science & Technology, un gaz potentiellement cancérigène est dégagé dans les habitacles des voitures dès qu’il fait chaud.

Le triphosphate (TCIPP), était présent dans l’air de 99 % des véhicules récents testés par les chercheurs, alors que ce gaz pourrait favoriser l’apparition de tumeurs notamment.

Le TCIPP c’est un ignifuge censé ralentir les flammes en cas d’incendie, injecté dans les mousses des sièges de voitures depuis 2015. Le problème, c’est que lorsqu’il fait chaud, comme sur une voiture garée en plein soleil, la température peut monter jusqu’à 65 degrés dans l’habitacle et le TCIPP dégage un gaz toxique.

les habitacles de voiture potentiellement cancérigènes en cas de chaleur

Le bouton pour décapoter se trouve près du rétroviseur central. La planche de bord reprend les éléments classiques des habitacles actuels de BMW.

Des risques de tumeurs du foie et de l’utérus

Selon les chercheurs, il aurait causé des tumeurs du foie et de l’utérus sur des rats et des souris. Plusieurs études ont aussi révélés que le TCIPP pouvait agir comme un perturbateur endocrinien et qu’il était neurotoxique.

Les chercheurs parlent d’un enjeu de santé publique alors qu’en moyenne, un conducteur passe une heure chaque jour dans sa voiture. Ils alertent aussi sur les effets à long terme de cet ignifuge sur les enfants présents dans les voitures.

En attendant une éventuelle interdiction du produit, les chercheurs recommandent tout simplement de maîtriser la température dans les véhicules, d’abord en les garant à l’ombre et en ouvrant les fenêtres dès que possible.

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