Un rapport publi\u00e9 sur le site Vie publique actualise, pour la p\u00e9riode 2020-2024, l\u2019\u00e9valuation de l\u2019exposition moyenne de la population fran\u00e7aise aux rayonnements ionisants, en prenant en compte l\u2019ensemble des sources d\u2019exposition : naturelles, m\u00e9dicales et li\u00e9es \u00e0 la pr\u00e9sence de radionucl\u00e9ides artificiels dans l\u2019environnement. La dose efficace moyenne annuelle est estim\u00e9e \u00e0 7,1 millisieverts par personne. Les sources naturelles constituent la part majoritaire de cette exposition, avec le radon comme premi\u00e8re source (55 % de l\u2019exposition totale), devant l\u2019imagerie m\u00e9dicale (23 %). Les autres contributions proviennent notamment de l\u2019incorporation de radionucl\u00e9ides naturels, ainsi que des rayonnements telluriques et cosmiques.<\/p>\n
Le rapport met en \u00e9vidence une forte h\u00e9t\u00e9rog\u00e9n\u00e9it\u00e9 des expositions individuelles, li\u00e9e en particulier au lieu de r\u00e9sidence, aux habitudes de vie et au recours aux examens m\u00e9dicaux. Il signale une l\u00e9g\u00e8re augmentation de la dose moyenne estim\u00e9e par rapport au bilan pr\u00e9c\u00e9dent (2014-2019), \u00e9volution principalement attribu\u00e9e \u00e0 la r\u00e9vision des coefficients utilis\u00e9s pour \u00e9valuer l\u2019exposition au radon. Aucune autre mesure ou \u00e9volution r\u00e9glementaire n\u2019est mentionn\u00e9e dans la source. Ces r\u00e9sultats pr\u00e9sentent un int\u00e9r\u00eat pour le suivi des politiques publiques en mati\u00e8re de sant\u00e9 environnementale, de pr\u00e9vention des risques li\u00e9s au radon dans l\u2019habitat et de suivi des expositions m\u00e9dicales aux rayonnements ionisants.\u00a0(contenu r\u00e9sum\u00e9 par l’IA)\u200bLire la Suite<\/a>\u200b<\/p>","protected":false},"excerpt":{"rendered":" Un rapport publi\u00e9 sur le site Vie publique actualise, pour la p\u00e9riode 2020-2024, l\u2019\u00e9valuation de l\u2019exposition moyenne de la population fran\u00e7aise aux rayonnements ionisants, en prenant en compte l\u2019ensemble des 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