{"id":47385,"date":"2021-02-27T19:21:00","date_gmt":"2021-02-27T17:21:00","guid":{"rendered":"http:\/\/life.karpat.in.ua\/?p=47385"},"modified":"2021-02-27T10:37:15","modified_gmt":"2021-02-27T08:37:15","slug":"a-ferfiak-spermiumszamanak-romlasa-nagyobb-gond-mint-a-klimavaltozas","status":"publish","type":"post","link":"https:\/\/life.karpat.in.ua\/?p=47385&lang=hu","title":{"rendered":"A f\u00e9rfiak spermiumsz\u00e1m\u00e1nak roml\u00e1sa nagyobb gond, mint a kl\u00edmav\u00e1ltoz\u00e1s"},"content":{"rendered":"\n
\"\"<\/figure>\n\n\n\n

Term\u00e9kenys\u00e9gi v\u00e1ls\u00e1ghoz vezethet az egyre cs\u00f6kken\u0151 h\u00edmivarsejtsz\u00e1m a vil\u00e1g egyik legelismertebb epidemiol\u00f3gus szakembere szerint.<\/strong><\/p>\n\n\n\n

Shanna Swam, a New York-i Mount Sinai Icahn Orvosi Egyetem\u00e9nek k\u00f6rnyezetv\u00e9delmi \u00e9s reprodukt\u00edv epidemiol\u00f3gusa leg\u00fajabb k\u00f6nyv\u00e9ben felh\u00edvta a figyelmet a f\u00e9rfiak fertilit\u00e1si probl\u00e9m\u00e1ira, amelyek s\u00falyosabb k\u00f6vetkezm\u00e9nyekkel j\u00e1rhatnak, mint a glob\u00e1lis felmeleged\u00e9s \u00e9s a kl\u00edmav\u00e1ltoz\u00e1s.<\/p>\n\n\n\n

A nyugati orsz\u00e1gokban 1973 \u00e9s 2011 k\u00f6z\u00f6tt 59 sz\u00e1zal\u00e9kkal esett vissza a f\u00e9rfiak spermasz\u00e1ma, ami Swan szerint elkeser\u00edt\u0151 adat. A szakember hozz\u00e1tette, ha minden az el\u0151zetes becsl\u00e9sek alapj\u00e1n folytat\u00f3dik tov\u00e1bb, \u00e9s a tendencia nem mutat javul\u00e1st, 2045-re a h\u00edmivarsejtek \u00e1tlagos sz\u00e1m\u00e1nak medi\u00e1nja el\u00e9rheti a null\u00e1t \u2013 tud\u00f3s\u00edtott a The Guardian<\/a><\/em>.<\/p>\n\n\n\n

Swan \u00e9s szerz\u0151t\u00e1rsa, Stacey Colino arr\u00f3l \u00edrtak, hogy az \u00e9letm\u00f3dbeli v\u00e1ltoz\u00e1sok, valamint a k\u00fcl\u00f6nf\u00e9le k\u00e9miai anyagoknak val\u00f3 kitetts\u00e9g jelent\u0151sen befoly\u00e1solj\u00e1k a szexu\u00e1lis fejl\u0151d\u00e9si folyamatokat, ezzel egy\u00fctt pedig a term\u00e9kenys\u00e9get is, mindezekb\u0151l kifoly\u00f3lag az\u00a0Homo sapiens sapiens<\/em>\u00a0hamarosan vesz\u00e9lyeztetett fajj\u00e1 v\u00e1lhat.<\/p>\n\n\n\n

\u201c\u00d6t t\u00e9nyez\u0151b\u0151l mind\u00f6ssze egynek kell megfelelni, ha egy fajt vesz\u00e9lyeztetett\u00e9 szeretn\u00e9nk nyilv\u00e1n\u00edtani. Nos, az emberek ezekb\u0151l a krit\u00e9riumokb\u00f3l legal\u00e1bb h\u00e1rmat teljes\u00edtenek.\u201d<\/p>\n\n\n\n

Swam hangs\u00falyozta, ahhoz, hogy jav\u00edtsunk a helyzeten, mindent meg kell tenn\u00fcnk annak \u00e9rdek\u00e9ben, hogy elker\u00fclj\u00fck a k\u00e1ros anyagokat, ez\u00e1ltal megv\u00e9dhetj\u00fck nemcsak saj\u00e1t \u00e9let\u00fcnket, hanem a bolyg\u00f3 j\u00f6v\u0151j\u00e9t is.<\/p>\n\n\n\n

A glob\u00e1lis fertilit\u00e1si r\u00e1ta egy n\u0151re kivet\u00edtve 1964 \u00e9s 2018 k\u00f6z\u00f6tt 5,06 megsz\u00fcletett csecsem\u0151r\u0151l 2,4-re zuhant vissza, az orsz\u00e1gok t\u00f6bbs\u00e9g\u00e9ben pedig 2,1 al\u00e1 cs\u00f6kkent az \u00e9rt\u00e9k, amely alapj\u00e1n k\u00e9ptelens\u00e9g fenntartani a popul\u00e1ci\u00f3t.<\/p>\n\n\n\n

A fogamz\u00e1sg\u00e1tl\u00e1son, a kultur\u00e1lis k\u00fcl\u00f6nbs\u00e9geken \u00e9s a gyermektart\u00e1s k\u00f6lts\u00e9geinek probl\u00e9mak\u00f6r\u00e9n k\u00edv\u00fcl biol\u00f3giai okok, \u00fagymint az elvet\u00e9l\u00e9s n\u00f6veked\u0151 tendenci\u00e1ja, valamint a fi\u00fak \u00e9s l\u00e1nyok nemi szerveinek abnormalit\u00e1sai \u00e9s a pubert\u00e1skor zavarai egyar\u00e1nt hozz\u00e1j\u00e1rultak a les\u00fajt\u00f3 adatokhoz.<\/p>\n\n\n\n

Forr\u00e1s: liner.hu<\/p>\n\n\n\n

<\/p>\n","protected":false},"excerpt":{"rendered":"

Term\u00e9kenys\u00e9gi v\u00e1ls\u00e1ghoz vezethet az egyre cs\u00f6kken\u0151 h\u00edmivarsejtsz\u00e1m a vil\u00e1g egyik legelismertebb epidemiol\u00f3gus szakembere szerint.<\/p>\n","protected":false},"author":4,"featured_media":47386,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[41,594,49,592,598],"tags":[13579,40151],"class_list":["post-47385","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-cikkek","category-egeszseg","category-hirek","category-tarsadalom","category-tudomany","tag-nepesseg-csokkenes","tag-termekenyseg"],"_links":{"self":[{"href":"https:\/\/life.karpat.in.ua\/index.php?rest_route=\/wp\/v2\/posts\/47385","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/life.karpat.in.ua\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/life.karpat.in.ua\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/life.karpat.in.ua\/index.php?rest_route=\/wp\/v2\/users\/4"}],"replies":[{"embeddable":true,"href":"https:\/\/life.karpat.in.ua\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=47385"}],"version-history":[{"count":0,"href":"https:\/\/life.karpat.in.ua\/index.php?rest_route=\/wp\/v2\/posts\/47385\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/life.karpat.in.ua\/index.php?rest_route=\/wp\/v2\/media\/47386"}],"wp:attachment":[{"href":"https:\/\/life.karpat.in.ua\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=47385"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/life.karpat.in.ua\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=47385"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/life.karpat.in.ua\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=47385"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}