{"id":69056,"date":"2025-06-09T12:00:00","date_gmt":"2025-06-09T12:00:00","guid":{"rendered":"https:\/\/www.africa-press.net\/senegal\/politique\/les-effets-des-polluants-eternels-sur-la-sante"},"modified":"2025-06-10T02:12:30","modified_gmt":"2025-06-10T02:12:30","slug":"les-effets-des-polluants-eternels-sur-la-sante","status":"publish","type":"post","link":"https:\/\/www.africa-press.net\/senegal\/toutes-les-actualites\/les-effets-des-polluants-eternels-sur-la-sante","title":{"rendered":"Les Effets des Polluants \u00c9ternels sur la Sant\u00e9"},"content":{"rendered":"

Africa-Press – Senegal. <\/strong><\/span>La contamination humaine se fait principalement par voie orale via l\u2019alimentation et l\u2019eau potable. Les prote\u0301ines animales (poissons, viandes, produits laitiers, \u0153ufs) sont les aliments contribuant le plus a\u0300 l\u2019exposition aux PFAS. En outre, ils traversent la barrie\u0300re placentaire et se retrouvent dans le lait maternel, exposant ainsi les nourrissons. Une fois inge\u0301re\u0301s, les PFAS, en particulier ceux dote\u0301s de longues chai\u0302nes carbone-fluor, s\u2019accumulent dans l\u2019organisme, le foie n\u2019ayant pas les enzymes ne\u0301cessaires pour les de\u0301grader.<\/p>\n

Selon le rapport publie\u0301 en 2022 par les Acade\u0301mies nationales ame\u0301ricaines des sciences, de l\u2019inge\u0301nierie et de me\u0301decine qui ont re\u0301alise\u0301 un examen approfondi des e\u0301tudes scientifiques, l\u2019exposition aux PFAS entrai\u0302ne une diminution de la re\u0301ponse immunitaire, re\u0301duisant l\u2019efficacite\u0301 des vaccins et augmentant la vulne\u0301rabilite\u0301 aux infections, aussi bien chez les adultes que chez les enfants. Ces substances sont e\u0301galement implique\u0301es dans des troubles me\u0301taboliques, notamment la dyslipide\u0301mie (de\u0301se\u0301quilibre des lipides sanguins) et ralentissent la croissance du f\u0153tus et du nourrisson. Elles augmentent e\u0301galement le risque de cancer du rein.<\/p>\n

Une exposition multiple<\/b><\/p>\n

D\u2019autres effets sur la sante\u0301 sont suspecte\u0301s: augmentation du risque de cancer du sein et des testicules chez les adultes, anomalies he\u0301patiques, troubles thyroi\u0308diens, risque plus e\u0301leve\u0301 de de\u0301velopper une rectocolite he\u0301morragique et, chez les femmes enceintes, d\u2019hypertension pouvant mener a\u0300 une pre\u0301e\u0301clampsie.<\/p>\n

Si le PFOA et le PFOS ont e\u0301te\u0301 classe\u0301s respectivement comme cance\u0301roge\u0300ne ave\u0301re\u0301 et cance\u0301roge\u0300ne possible par le Centre international de recherche sur le cancer (Circ), l\u2019organisme sugge\u0300re, compte tenu du tre\u0300s grand nombre de PFAS, de les regrouper en fonction de leur structure chimique ou de leurs niveaux d\u2019exposition. Le Circ note e\u0301galement que la plupart des e\u0301tudes portent sur certains PFAS en particulier, alors que l\u2019exposition humaine est multiple, ce qui constitue une limite importante dans l\u2019e\u0301valuation des risques pour la sante\u0301 humaine.<\/p>\n

Des compose\u0301s omnipre\u0301sents<\/b><\/p>\n

En 2019, l\u2019e\u0301tude Esteban coordonne\u0301e par Sante\u0301 publique France a re\u0301ve\u0301le\u0301 une impre\u0301gnation plus ou moins importante de la totalite\u0301 de la population franc\u0327aise. Sept PFAS ont e\u0301te\u0301 quantifie\u0301s a\u0300 plus de 40 % chez les adultes et six chez les enfants. Le PFOA et le PFOS ont e\u0301te\u0301 retrouve\u0301s chez 100 % des personnes teste\u0301es.<\/p>\n

Une nouvelle e\u0301tude baptise\u0301e Albane est en cours pour de\u0301terminer l\u2019e\u0301volution de cette contamination. Et le professeur Vincent Bonneterre, du Centre re\u0301gional de pathologie professionnelle et environnementale Aura, au CHU de Grenoble Alpes, me\u0300ne actuellement un projet de recherche visant a\u0300 tracer les niveaux d\u2019exposition des travailleurs les plus expose\u0301s aux PFAS en Auvergne-Rho\u0302ne-Alpes.<\/p>\n

Pour plus d’informations et d’analyses sur la Senegal<\/span>, suivez Africa-Press<\/span><\/strong><\/p>\n","protected":false},"excerpt":{"rendered":"

Africa-Press – Senegal. La contamination humaine se fait principalement par voie orale via l\u2019alimentation et l\u2019eau potable. Les prote\u0301ines animales (poissons, viandes, produits laitiers, \u0153ufs) sont les aliments contribuant le plus a\u0300 l\u2019exposition aux PFAS. En outre, ils traversent la barrie\u0300re placentaire et se retrouvent dans le lait maternel, exposant ainsi les nourrissons. Une fois […]<\/p>\n","protected":false},"author":82,"featured_media":69055,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[22,10],"tags":[44],"class_list":["post-69056","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-divers","category-toutes-les-actualites","tag-senegal-2"],"yoast_head":"\nLes Effets des Polluants \u00c9ternels sur la Sant\u00e9 - Senegal<\/title>\n<meta name=\"description\" content=\"La contamination humaine se fait principalement par voie orale via l\u2019alimentation et l\u2019eau potable. 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