{"id":86345,"date":"2024-07-24T11:29:34","date_gmt":"2024-07-24T16:29:34","guid":{"rendered":"https:\/\/thecitizenfortheworld.com\/?p=86345"},"modified":"2024-07-24T11:29:34","modified_gmt":"2024-07-24T16:29:34","slug":"por-que-unos-tiburones-en-la-costa-de-brasil-dieron-positivo-a-cocaina","status":"publish","type":"post","link":"https:\/\/thecitizenfortheworld.com\/?p=86345","title":{"rendered":"Por qu\u00e9 unos tiburones en la costa de Brasil dieron positivo a coca\u00edna"},"content":{"rendered":"<div class=\"bbc-19j92fr ebmt73l0\" dir=\"ltr\">\n<p class=\"bbc-hhl7in e17g058b0\" dir=\"ltr\"><b>Tiburones frente a las costas de R\u00edo de Janeiro dieron positivo a coca\u00edna, seg\u00fan investigadores de la Fundaci\u00f3n Oswaldo Cruz.<\/b><\/p>\n<\/div>\n<div class=\"bbc-19j92fr ebmt73l0\" dir=\"ltr\">\n<p class=\"bbc-hhl7in e17g058b0\" dir=\"ltr\">Los bi\u00f3logos marinos examinaron 13 cazones (tambi\u00e9n conocidos como tiburones brasile\u00f1os) frente a la costa de R\u00edo y detectaron altos niveles de coca\u00edna en sus m\u00fasculos e h\u00edgado.<\/p>\n<\/div>\n<div class=\"bbc-19j92fr ebmt73l0\" dir=\"ltr\">\n<p class=\"bbc-hhl7in e17g058b0\" dir=\"ltr\">Esta es la primera investigaci\u00f3n que detecta coca\u00edna en tiburones. Y la concentraci\u00f3n es aproximadamente cien veces mayor que la que se encuentra en otros animales marinos.<\/p>\n<\/div>\n<div class=\"bbc-19j92fr ebmt73l0\" dir=\"ltr\">\n<p class=\"bbc-hhl7in e17g058b0\" dir=\"ltr\">Existen algunas\u00a0<b>hip\u00f3tesis que intentan explicar c\u00f3mo lleg\u00f3 la droga a los cuerpos de los animales.<\/b><\/p>\n<\/div>\n<section class=\"bbc-geybui\" role=\"region\" aria-label=\"Publicidad 2\" aria-hidden=\"true\" data-e2e=\"advertisement\"><\/section>\n<div class=\"bbc-19j92fr ebmt73l0\" dir=\"ltr\">\n<p class=\"bbc-hhl7in e17g058b0\" dir=\"ltr\">Algunos expertos creen que la coca\u00edna llega al agua a trav\u00e9s de laboratorios ilegales utilizados para fabricar la droga o a trav\u00e9s de las heces de algunos consumidores.<\/p>\n<\/div>\n<div class=\"bbc-19j92fr ebmt73l0\" dir=\"ltr\">\n<p class=\"bbc-hhl7in e17g058b0\" dir=\"ltr\">Los paquetes de coca\u00edna perdidos o arrojados al mar por los traficantes tambi\u00e9n podr\u00edan ser una de las fuentes de la droga, pero los investigadores consideran que esta hip\u00f3tesis es menos probable.<\/p>\n<\/div>\n<div class=\"bbc-19j92fr ebmt73l0\" dir=\"ltr\">\n<p class=\"bbc-hhl7in e17g058b0\" dir=\"ltr\">\u201cNuestro trabajo postula que ambas hip\u00f3tesis pueden ser la causa de la coca\u00edna detectada: exposici\u00f3n cr\u00f3nica debido al consumo humano de coca\u00edna en R\u00edo de Janeiro (uso, metabolizaci\u00f3n y vertidos a trav\u00e9s de orina y heces humanas por emisarios de aguas residuales), as\u00ed como de laboratorios ilegales\u201d, explica una de las autoras del estudio, Rachel Davis, bi\u00f3loga e investigadora del Laboratorio de Evaluaci\u00f3n y Promoci\u00f3n de la Salud Ambiental del Instituto Oswaldo Cruz (IOC\/Fiocruz).<\/p>\n<\/div>\n<div class=\"bbc-19j92fr ebmt73l0\" dir=\"ltr\">\n<p class=\"bbc-hhl7in e17g058b0\" dir=\"ltr\">\u201cPor lo general,\u00a0<b>aqu\u00ed no vemos muchos fardos de coca\u00edna arrojados o perdidos en el mar<\/b>, a diferencia de lo que se informa en M\u00e9xico y Florida. Por eso preferimos las dos hip\u00f3tesis mencionadas anteriormente\u201d.<\/p>\n<\/div>\n<figure class=\"bbc-1qn0xuy\">\n<div class=\"bbc-18ywsw9\"><img decoding=\"async\" loading=\"lazy\" class=\"bbc-139onq\" src=\"https:\/\/ichef.bbci.co.uk\/ace\/ws\/640\/cpsprodpb\/67a8\/live\/006ad300-49af-11ef-96a8-e710c6bfc866.jpg.webp\" sizes=\"(min-width: 1008px) 760px, 100vw\" srcset=\"https:\/\/ichef.bbci.co.uk\/ace\/ws\/240\/cpsprodpb\/67a8\/live\/006ad300-49af-11ef-96a8-e710c6bfc866.jpg.webp 240w, https:\/\/ichef.bbci.co.uk\/ace\/ws\/320\/cpsprodpb\/67a8\/live\/006ad300-49af-11ef-96a8-e710c6bfc866.jpg.webp 320w, https:\/\/ichef.bbci.co.uk\/ace\/ws\/480\/cpsprodpb\/67a8\/live\/006ad300-49af-11ef-96a8-e710c6bfc866.jpg.webp 480w, https:\/\/ichef.bbci.co.uk\/ace\/ws\/624\/cpsprodpb\/67a8\/live\/006ad300-49af-11ef-96a8-e710c6bfc866.jpg.webp 624w, https:\/\/ichef.bbci.co.uk\/ace\/ws\/800\/cpsprodpb\/67a8\/live\/006ad300-49af-11ef-96a8-e710c6bfc866.jpg.webp 800w\" alt=\"Ilustraci\u00f3n de un tibur\u00f3n caz\u00f3n\" width=\"800\" height=\"187\" \/><\/p>\n<p class=\"bbc-by8ykd\" role=\"text\"><span class=\"bbc-m04vo2\">FUENTE DE LA IMAGEN,<\/span><span lang=\"en-GB\">GETTY IMAGES<\/span><\/p>\n<\/div><figcaption class=\"bbc-1jsyunq e6i104o0\" dir=\"ltr\"><span role=\"text\"><span class=\"bbc-m04vo2\">Pie de foto, <\/span><span data-testid=\"caption-paragraph\">Las heces fecales de consumidores de coca\u00edna podr\u00eda ser una de las causas de la contaminaci\u00f3n de los tiburones.<\/span><\/span><\/figcaption><\/figure>\n<div class=\"bbc-19j92fr ebmt73l0\" dir=\"ltr\">\n<p class=\"bbc-hhl7in e17g058b0\" dir=\"ltr\">Y tambi\u00e9n existe la teor\u00eda de que la droga se propaga a trav\u00e9s del agua de mar cuando buzos\u00a0<b>intentan abastecer a los barcos para que puedan llevar coca\u00edna a otros pa\u00edses.<\/b><\/p>\n<\/div>\n<div class=\"bbc-19j92fr ebmt73l0\" dir=\"ltr\">\n<p class=\"bbc-hhl7in e17g058b0\" dir=\"ltr\">Sara Novais, ecotoxic\u00f3loga marina del Centro de Ciencias Ambientales y Marinas de la Universidad Polit\u00e9cnica de Leiria en Portugal, le dijo a la revista cient\u00edfica Science que el descubrimiento es &#8220;muy importante y potencialmente preocupante&#8221;.<\/p>\n<\/div>\n<div class=\"bbc-19j92fr ebmt73l0\" dir=\"ltr\">\n<p class=\"bbc-hhl7in e17g058b0\" dir=\"ltr\">Todas las hembras del estudio estaban embarazadas, pero no se sabe qu\u00e9 efecto tiene en los fetos la exposici\u00f3n a la coca\u00edna.<\/p>\n<\/div>\n<div class=\"bbc-19j92fr ebmt73l0\" dir=\"ltr\">\n<p class=\"bbc-hhl7in e17g058b0\" dir=\"ltr\">Tambi\u00e9n es necesario realizar m\u00e1s investigaciones para determinar si la droga est\u00e1 alterando el comportamiento de los tiburones.<\/p>\n<\/div>\n<div class=\"bbc-19j92fr ebmt73l0\" dir=\"ltr\">\n<p class=\"bbc-hhl7in e17g058b0\" dir=\"ltr\">Investigaciones anteriores indican\u00a0<b>que las drogas probablemente tengan efectos similares en animales y humanos.<\/b><\/p>\n<\/div>\n<div class=\"bbc-19j92fr ebmt73l0\" dir=\"ltr\">\n<p class=\"bbc-hhl7in e17g058b0\" dir=\"ltr\">Los cient\u00edficos solo analizaron una especie de tibur\u00f3n, pero creen que otras especies de la regi\u00f3n tambi\u00e9n pueden dar positivo en coca\u00edna.<\/p>\n<\/div>\n<div class=\"bbc-19j92fr ebmt73l0\" dir=\"ltr\">\n<p class=\"bbc-hhl7in e17g058b0\" dir=\"ltr\">&#8220;Como los tiburones son carn\u00edvoros y la principal v\u00eda de exposici\u00f3n de muchos contaminantes qu\u00edmicos es a trav\u00e9s de los alimentos, es muy probable que los animales con los que se alimentan nuestros tiburones (crust\u00e1ceos, otros peces) est\u00e9n contaminados&#8221;, afirm\u00f3 Rachel Davis.<\/p>\n<\/div>\n<div class=\"bbc-19j92fr ebmt73l0\" dir=\"ltr\">\n<h2 id=\"Brasil-es-una-ruta-de-flujo-de-coca\u00edna\" class=\"bbc-1f03ibc eglt09e0\" tabindex=\"-1\">Brasil es una ruta de flujo de coca\u00edna<\/h2>\n<\/div>\n<div class=\"bbc-19j92fr ebmt73l0\" dir=\"ltr\">\n<p class=\"bbc-hhl7in e17g058b0\" dir=\"ltr\">La presencia de coca\u00edna en Brasil es significativa porque el pa\u00eds es geogr\u00e1ficamente atractivo para enviar la droga a otros mercados de consumo, principalmente Europa y \u00c1frica, explica Camila Nunes Dias, doctora en sociolog\u00eda de la Universidad de S\u00e3o Paulo (USP) y profesora de la Universidad Federal de ABC (UFABC).<\/p>\n<\/div>\n<div class=\"bbc-19j92fr ebmt73l0\" dir=\"ltr\">\n<p class=\"bbc-hhl7in e17g058b0\" dir=\"ltr\">Como explica Nunes, esto ha convertido al pa\u00eds<b>\u00a0en un centro estrat\u00e9gico para las facciones criminales que organizan este transporte.<\/b><\/p>\n<\/div>\n<div class=\"bbc-19j92fr ebmt73l0\" dir=\"ltr\">\n<p class=\"bbc-hhl7in e17g058b0\" dir=\"ltr\">\u201cLa cuesti\u00f3n geogr\u00e1fica es central debido a la frontera al oeste de Brasil con los pa\u00edses productores de droga \u2013Per\u00fa, Colombia y Bolivia\u2013 y la salida al Atl\u00e1ntico por varios puertos. Creo que esto explica por qu\u00e9 buena parte de este producto que va a Europa y \u00c1frica pasa por Brasil\u201d.<\/p>\n<\/div>\n<div class=\"bbc-19j92fr ebmt73l0\" dir=\"ltr\">\n<p class=\"bbc-hhl7in e17g058b0\" dir=\"ltr\">\u201cEl pa\u00eds tiene una dimensi\u00f3n continental y\u00a0<b>est\u00e1 posicionado de manera muy estrat\u00e9gica&#8221;.<\/b><\/p>\n<\/div>\n<div class=\"bbc-19j92fr ebmt73l0\" dir=\"ltr\">\n<p class=\"bbc-hhl7in e17g058b0\" dir=\"ltr\">Camila Nunes cree que, contrariamente a lo que dicen los autores de la investigaci\u00f3n, el agua no fue contaminada por coca\u00edna refinada en laboratorios de la regi\u00f3n, sino por buzos durante el trasbordo de la droga a los barcos.<\/p>\n<\/div>\n<div class=\"bbc-19j92fr ebmt73l0\" dir=\"ltr\">\n<p class=\"bbc-hhl7in e17g058b0\" dir=\"ltr\">\u201cHemos identificado muchas estrategias para llevar coca\u00edna a los barcos utilizando buzos. Mi evaluaci\u00f3n, visto desde lejos, es que esa explicaci\u00f3n tiene mucho m\u00e1s sentido\u201d, dice la especialista, que tambi\u00e9n forma parte del NEV, el Centro de Estudios sobre la Violencia de la USP.<\/p>\n<\/div>\n<figure class=\"bbc-1qn0xuy\">\n<div class=\"bbc-18ywsw9\"><img decoding=\"async\" loading=\"lazy\" class=\"bbc-139onq\" src=\"https:\/\/ichef.bbci.co.uk\/ace\/ws\/640\/cpsprodpb\/bce4\/live\/358d93b0-49af-11ef-aada-8989b38db4a8.jpg.webp\" sizes=\"(min-width: 1008px) 760px, 100vw\" srcset=\"https:\/\/ichef.bbci.co.uk\/ace\/ws\/240\/cpsprodpb\/bce4\/live\/358d93b0-49af-11ef-aada-8989b38db4a8.jpg.webp 240w, https:\/\/ichef.bbci.co.uk\/ace\/ws\/320\/cpsprodpb\/bce4\/live\/358d93b0-49af-11ef-aada-8989b38db4a8.jpg.webp 320w, https:\/\/ichef.bbci.co.uk\/ace\/ws\/480\/cpsprodpb\/bce4\/live\/358d93b0-49af-11ef-aada-8989b38db4a8.jpg.webp 480w, https:\/\/ichef.bbci.co.uk\/ace\/ws\/624\/cpsprodpb\/bce4\/live\/358d93b0-49af-11ef-aada-8989b38db4a8.jpg.webp 624w, https:\/\/ichef.bbci.co.uk\/ace\/ws\/800\/cpsprodpb\/bce4\/live\/358d93b0-49af-11ef-aada-8989b38db4a8.jpg.webp 800w\" alt=\"tibur\u00f3n\" width=\"2121\" height=\"1414\" \/><\/p>\n<p class=\"bbc-by8ykd\" role=\"text\"><span class=\"bbc-m04vo2\">FUENTE DE LA IMAGEN,<\/span><span lang=\"en-GB\">GETTY IMAGES<\/span><\/p>\n<\/div><figcaption class=\"bbc-1jsyunq e6i104o0\" dir=\"ltr\"><span role=\"text\"><span class=\"bbc-m04vo2\">Pie de foto, <\/span><span data-testid=\"caption-paragraph\">Una teor\u00eda es que el agua ha sido contaminada por buzos durante el trasbordo de la coca\u00edna a los barcos.<\/span><\/span><\/figcaption><\/figure>\n<div class=\"bbc-19j92fr ebmt73l0\" dir=\"ltr\">\n<p class=\"bbc-hhl7in e17g058b0\" dir=\"ltr\">La investigadora se\u00f1ala que la coca\u00edna llega a Brasil a trav\u00e9s de r\u00edos y carreteras antes de ser enviada a Europa por diversos puertos y aeropuertos del pa\u00eds.<\/p>\n<\/div>\n<div class=\"bbc-19j92fr ebmt73l0\" dir=\"ltr\">\n<p class=\"bbc-hhl7in e17g058b0\" dir=\"ltr\">Explica que la coca\u00edna enviada a Estados Unidos est\u00e1 controlada principalmente por traficantes mexicanos y colombianos.\u00a0<b>Pero Brasil es un importante centro de env\u00edo para Europa y \u00c1frica.<\/b><\/p>\n<\/div>\n<div class=\"bbc-19j92fr ebmt73l0\" dir=\"ltr\">\n<p class=\"bbc-hhl7in e17g058b0\" dir=\"ltr\">\u201cTodos los puertos brasile\u00f1os son salidas. El uso de cada uno de estos puertos est\u00e1 controlado por diversos grupos criminales, como el PCC (Primer Comando de la Capital) y el Comando Vermelho (Comando Rojo)\u201d.<\/p>\n<\/div>\n<div class=\"bbc-19j92fr ebmt73l0\" dir=\"ltr\">\n<h2 id=\"Puede-afectar-al-cuerpo-humano-\" class=\"bbc-1f03ibc eglt09e0\" tabindex=\"-1\">Puede afectar al cuerpo humano<\/h2>\n<\/div>\n<div class=\"bbc-19j92fr ebmt73l0\" dir=\"ltr\">\n<p class=\"bbc-hhl7in e17g058b0\" dir=\"ltr\">La investigadora Rachel Davis afirma que la droga puede terminar ingresando al cuerpo humano a trav\u00e9s del consumo com\u00fan del tibur\u00f3n como alimento en Brasil.<\/p>\n<\/div>\n<div class=\"bbc-19j92fr ebmt73l0\" dir=\"ltr\">\n<p class=\"bbc-hhl7in e17g058b0\" dir=\"ltr\">\u201cLa coca\u00edna ya ha entrado en la cadena alimentaria, ya que los humanos consumen tiburones de forma rutinaria en Brasil y muchos otros pa\u00edses, incluidos Estados Unidos, Reino Unido y M\u00e9xico, y a menudo se venden gen\u00e9ricamente como hojuelas, pescado con papas, caz\u00f3n y otros nombres&#8221;, dice Davis.<\/p>\n<\/div>\n<div class=\"bbc-19j92fr ebmt73l0\" dir=\"ltr\">\n<p class=\"bbc-hhl7in e17g058b0\" dir=\"ltr\">Pero\u00a0<b>no est\u00e1 claro si la cantidad de droga ingerida mediante el consumo de estos animales puede ser perjudicial para la salud.<\/b><\/p>\n<\/div>\n<div class=\"bbc-19j92fr ebmt73l0\" dir=\"ltr\">\n<p class=\"bbc-hhl7in e17g058b0\" dir=\"ltr\">\u201cA\u00fan no podemos tener preocupaciones por la salud humana a lo largo de la cadena alimentaria, ya que no se han establecido l\u00edmites con respecto a los efectos negativos para la salud. En lo que respecta a la salud humana por otra v\u00eda, que incluya la exposici\u00f3n directa al agua, creemos que ser\u00eda m\u00ednima&#8221;, afirma la investigadora.<\/p>\n<\/div>\n<div class=\"bbc-19j92fr ebmt73l0\" dir=\"ltr\">\n<p class=\"bbc-hhl7in e17g058b0\" dir=\"ltr\"><i class=\"bbc-h1y5j7 eih42320\">(Con informaci\u00f3n de BBC News Mundo.)<\/i><\/p>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>Tiburones frente a las costas de R\u00edo de Janeiro dieron positivo a coca\u00edna, seg\u00fan investigadores de la Fundaci\u00f3n Oswaldo Cruz. Los bi\u00f3logos marinos examinaron 13 cazones (tambi\u00e9n conocidos como tiburones brasile\u00f1os) frente a la costa de R\u00edo y detectaron altos niveles de coca\u00edna en sus m\u00fasculos e h\u00edgado. Esta es la primera investigaci\u00f3n que detecta [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":86346,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"om_disable_all_campaigns":false,"_mi_skip_tracking":false},"categories":[3,5],"tags":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v20.5 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Por qu\u00e9 unos tiburones en la costa de Brasil dieron positivo a coca\u00edna - The citizen for the world<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/thecitizenfortheworld.com\/?p=86345\" \/>\n<meta property=\"og:locale\" content=\"es_ES\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Por qu\u00e9 unos tiburones en la costa de Brasil dieron positivo a coca\u00edna - The citizen for the world\" \/>\n<meta property=\"og:description\" content=\"Tiburones frente a las costas de R\u00edo de Janeiro dieron positivo a coca\u00edna, seg\u00fan investigadores de la Fundaci\u00f3n Oswaldo Cruz. Los bi\u00f3logos marinos examinaron 13 cazones (tambi\u00e9n conocidos como tiburones brasile\u00f1os) frente a la costa de R\u00edo y detectaron altos niveles de coca\u00edna en sus m\u00fasculos e h\u00edgado. 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