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Welcome


Visit also our Spanish page. 

On May 31, 2017, the Toxicology Service of the Children's Sanatorium was finished its activities. We continue this page as Latin American Portal of Toxicology.

February 2018 Newsletter: See

 Antidepressants are effective, study shows

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Antidepressant (Photo: R. Sullivan / AFP / Getty Images)

Antidepressants more effective than placebo for adults with acute major depressive disorder. By Julia Robinson. pharmaceutical-journal.com. February 22, 2018. Findings represent the “most comprehensive evidence base currently available” to guide the initial choice about pharmacological treatment for acute major depressive disorder in adults, researchers conclude.

FULL ARTICLE...
Posted by jcp on Viernes, febrero 23 @ 00:00:00 ART (6 reads)

 Contribution of alcohol use disorders to the burden of dementia in France 2008–13, study

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Desalentar el consumo diario (Photo: bbcmundo)

Largest study of its kind finds alcohol use biggest risk factor for dementia. sciencedaily.com. February 20, 2018. Summary: Alcohol use disorders are the most important preventable risk factors for the onset of all types of dementia, especially early-onset dementia. This according to a nationwide observational study of over one million adults diagnosed with dementia in France.

FULL ARTICLE...
Posted by jcp on Viernes, febrero 23 @ 00:00:00 ART (2 reads)

 Occurrence and fate of pesticides in the Argentine stretch of the Paraguay-Paraná basin, study

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Las aguas bajan con glifosato (Photo: SerTox)

Occurrence and fate of pesticides in the Argentine stretch of the Paraguay-Paraná basin.Environ Monit Assess. 2017 Feb;189(2):63. doi: 10.1007/s10661-017-5773-1. Epub 2017 Jan 19. Abstract: The Argentine stretch of the del Plata basin crosses regions devoted to extensive and intensive agriculture mostly with chemical pest control. The utilization of pesticides in the region has increased 900% in the last two decades associated with the introduction of biotech crops and direct-seeding techniques.

FULL ARTICLE...
Posted by jcp on Martes, febrero 20 @ 00:00:00 ART (10 reads)

 Gate of Hell in Hierapolis, with a cloud of deadly carbon dioxide

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Ruinas de Hierapolis en Pamukkale (Photo: SerTox)

This Roman 'gate to hell' killed its victims with a cloud of deadly carbon dioxide. By Colin Barras. sciencemag.org. February 16, 2018. Is it possible to walk through the gates of hell and live? The Romans thought so, and they staged elaborate sacrifices at what they believed were entrances to the underworld scattered across the ancient Mediterranean. The sacrifices—healthy bulls led down to the gates of hell—died quickly without human intervention, but the castrated priests who accompanied them returned unharmed.

FULL ARTICLE...
Posted by jcp on Martes, febrero 20 @ 00:00:00 ART (8 reads)

 Dietary correlates of chronic widespread pain in meru, Kenya

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Glutamato monosódico (Photo: WP)

Pilot study in Kenya shows link between chronic pain and glutamate consumption. sciencedaily.com. February 16, 2018. Researchers test theory that diet change can alleviate pain. Summary: Preliminary research from a small pilot study carried out in Meru, in eastern Kenya, shows a link between chronic pain and consumption of glutamate, a common flavor enhancer found in Western and non-Western diets worldwide.

FULL ARTICLE...
Posted by jcp on Lunes, febrero 19 @ 00:00:00 ART (8 reads)

 Volatile chemical products emerging as largest petrochemical source of urban organic emissions

Consumer and industrial products now a dominant urban air pollution source. sciencedaily.com. February 15, 2018. New study finds surprisingly high contribution from paints, pesticides, perfumes as vehicle emissions drop. Summary: Chemical products that contain compounds refined from petroleum, like household cleaners, pesticides, paints and perfumes, now rival motor vehicle emissions as the top source of urban air pollution, according to a surprising new study.

FULL ARTICLE...
Posted by jcp on Lunes, febrero 19 @ 00:00:00 ART (17 reads)

 Frequency of microplastics in mesopelagic fishes from the Northwest Atlantic, study

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Agua sin plásticos: ¿sólo en los acuarios? (Photo: SerTox)

High levels of microplastics found in Northwest Atlantic fish. sciencedaily.com. February 16, 2018. New study finds microplastics in the stomachs of 73 percent of mesopelagic fish caught in the Northwest Atlantic -- one of the highest levels globally. Summary: A new study finds 73 percent of mesopelagic fish caught in the Northwest Atlantic had microplastics in their stomachs -- one of the highest levels globally. Typically living at depths of 200-1,000 meters, these fish could spread microplastic pollution throughout the marine ecosystem, by carrying microplastics from the surface down to deeper waters. They are also prey for fish eaten by humans, meaning that microplastics could indirectly contaminate our food supply.

FULL ARTICLE...
Posted by jcp on Lunes, febrero 19 @ 00:00:00 ART (8 reads)

 Cleaning at home and at work in relation to lung function decline and airway obstruction, study

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Productos de limpieza (Photo: consumer.es)

Women who clean at home or work face increased lung function decline. sciencedaily.com. February 16, 2018. Women who work as cleaners or regularly use cleaning sprays or other cleaning products at home appear to experience a greater decline in lung function over time than women who do not clean, according to new research.

FULL ARTICLE...
Posted by jcp on Lunes, febrero 19 @ 00:00:00 ART (18 reads)

 Methyldopa may help prevent the onset of type 1 diabetes of those at risk for the disease, study

Existing drug effective at preventing onset of type 1 diabetes in 60% of patients. sciencedaily.com. February 15, 2018. Common blood pressure medication blocks molecule that can trigger the disease.A drug commonly used to control high blood pressure may also help prevent the onset of type 1 diabetes in up to 60 percent of those at risk for the disease.

FULL ARTICLE...
Posted by jcp on Lunes, febrero 19 @ 00:00:00 ART (8 reads)

 Phylogenomic reclassification of the most venomous spiders of the world, study

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Hadronyche modesta (Photo: WP)

World's most venomous spiders are actually cousins. sciencedaily.com. February 15, 2018. Study finds the deadly Australian funnel-web spiders and mouse spiders are more closely related than previously thought. Two lineages of dangerous arachnids found in Australia -- long classified as distantly related in the official taxonomy -- are, in fact, relatively close evolutionary cousins. The lineages include the most venomous spiders in the world. The findings could help in the development of novel antivenoms, as well as point to new forms of insecticides.

FULL ARTICLE...
Posted by jcp on Lunes, febrero 19 @ 00:00:00 ART (9 reads)

 Prevalence of Fetal Alcohol Spectrum Disorders in 4 US Communities, study

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Embarazo y alcohol (Photo: CDC)

Children affected by prenatal drinking more numerous than previously estimated. eurekalert.org. February 06, 2018. Findings suggest rates of fetal alcohol spectrum disorders may be similar to autism spectrum disorders. Researchers at University of California San Diego School of Medicine found a significant number of children across four regions in the United States were determined to have fetal alcohol spectrum disorders (FASD). The new findings may represent more accurate prevalence estimates of FASD among the general population than prior research.

FULL ARTICLE...
Posted by jcp on Martes, febrero 06 @ 00:00:00 ART (22 reads)

 Microplastics as an emerging threat to terrestrial ecosystems, study

An underestimated threat: Land-based pollution with microplastics. sciencedaily.com. February 05, 2018. Summary: Tiny plastic particles also present a threat to creatures on land and may have damaging effects similar or even more problematic than in our oceans. Researchers warn: the impact of microplastics in soils, sediments and the freshwaters could have a long-term negative effect on terrestrial ecosystems throughout the world.

FULL ARTICLE...
Posted by jcp on Lunes, febrero 05 @ 00:00:00 ART (27 reads)

 To the hospital after eating meat from a cow killed by a venomous cobra in South Africa

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La cobra real (Photo: agenciasinc.es)

Sixty people are rushed to hospital in South Africa after being poisoned by eating a cow that had been killed by a COBRA. By Jamie  Pyatt and Alex Green. dailymail.co.uk.  February 02, 2018. Villagers from Mpoza, Eastern Cape, ate flesh from a dead cow killed by a snake.  Old and young suffered diarrhoea, vomiting, headaches and stomach cramps. Department of Health: 16 children and four elderly people among those taken to four hospitals in the area.

FULL ARTICLE...
Posted by jcp on Lunes, febrero 05 @ 00:00:00 ART (51 reads)

 Integrating mercury research and policy in a changing world

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Hg metálico (Photo: Sertox )

Scientists call for global and local control and management of mercury. eurekalert.org. February 02, 2018. The risks, mechanisms and implications of mercury pollution are summarized in a special issue in the journal Ambio. Mercury is a complex, multifaceted contaminant which can take many different forms. It is poisonous to humans and wildlife and damaging to the environment.

FULL ARTICLE...
Posted by jcp on Viernes, febrero 02 @ 00:00:00 ART (27 reads)

 Cinnamon, vanilla and buttery e-cigarette flavors are among the most toxic

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Cigarrillo electrónico en uso (Photo: elmundo.es)

E-cigarette flavors are toxic to white blood cells, warn scientists. eurekalert.org. January 30, 2018. Cinnamon, vanilla and buttery e-cigarette flavors are among the most toxic -- and mixing flavors is more damaging than vaping just one.Sugar and spice are not so nice, at least when it comes to vaping or inhalation. Exposure to e-cigarette flavoring chemicals and liquids can cause significant inflammation to monocytes, a type of white blood cell -- and many flavoring compounds are also toxic, with cinnamon, vanilla and buttery flavors among the worst. 

FULL ARTICLE...
Posted by jcp on Miércoles, enero 31 @ 00:00:00 ART (31 reads)

 Letal toxin of Scolopendra subspinipes mutilans was discovered

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Scolopendra subspinipes mutilans (Photo: WP)

Terrifying centipede attacks, kills mouse in under 30 seconds. By Mike Wehner. nypost.com. January 24, 2018 .Even if you’re not afraid of most bugs — like ants, flies, or bees, for example — there’s still a good chance you have a fear of centipedes. There’s just something about them and their long chain of legs that is incredibly unsettling. Most centipedes are perfectly harmless, but some can be real terrors. The Chinese red-headed centipede belongs in the latter group, with a venomous bite that can kill creatures 15 times the creature’s size and scientists are just now beginning to understand how its powerful toxin functions.

FULL ARTICLE...
Posted by jcp on Martes, enero 30 @ 00:00:00 ART (30 reads)

 Integrated Pest Management of the Brown Recluse Spider, study

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Loxosceles laeta o 'araña marrón' (Photo: IIBCE)

Brown recluse: Pest management tips for the spider that's not as common as you think. sciencedaily.com. January 29, 2018. Sightings of the brown recluse are rare outside its known range, but if its presence is confirmed, here's what to do about it. Summary: The brown recluse is one of the few spiders that can bite a human and should be regarded with great caution. But, it is also frequently misattributed as the cause of a variety of unrelated medical conditions, especially in locations far outside its known range. Entomologists have published a new guide to aid both the public and pest management professionals in properly identifying and managing the brown recluse spider.

FULL ARTICLE...
Posted by jcp on Martes, enero 30 @ 00:00:00 ART (31 reads)

 Contribution of wetlands to nitrate removal at the watershed scale, study

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Bañado (Photo: SerTox)

Wetlands provide landscape-scale reduction in nitrate pollution. sciencedaily.com. January 29, 2018. Summary: A new study provides new insights to demonstrate that multiple wetlands or ‘wetland complexes’ within a watershed are extremely effective at reducing harmful nitrate in rivers and streams. These wetlands can be up to five times more efficient per unit area at reducing nitrate than the best land-based nitrogen mitigation strategies.

FULL ARTICLE...
Posted by jcp on Martes, enero 30 @ 00:00:00 ART (36 reads)

 A group of 34 Andean condors found dead in Mendoza, carbofuran poisoning suspected

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Cóndor planeando (Photo: Sertox )

34 condors died in Mendoza and believe they were poisoned. argentina.topnews.cloud. January 22, 2018. A group of 34 condors, a puma, two sheep, a lamb and a goat appeared dead in the town of Los Molles, in the department of Malargüe. The bodies of the animals were piled up and partially burned, and because of their location a case of poisoning is suspected, very likely with agrotoxins that the inhabitants of the area use to control scavenging species.

Note: read also in Spanish,  In Argentina, the slaughter of condors never ends

FULL ARTICLE...
Posted by jcp on Lunes, enero 29 @ 00:00:00 ART (30 reads)

 Infants born in withdrawal due to opioid exposure in utero shows an increase in torticollis

Study reveals abnormalities in infants born in withdrawal after opioid exposure in utero. eurekalert.org. January 22, 2018. A new study of infants born in withdrawal due to opioid exposure in utero shows a dramatic increase in torticollis - an abnormal twisting of the neck. Many of the infants also had plagiocephaly - a flattening of the head often seen in conjunction with torticollis.

FULL ARTICLE...
Posted by jcp on Lunes, enero 22 @ 00:00:00 ART (23 reads)





     Trivia
 Trivia # 351: Bauhinia forficata

Toxicological trivia from September 02, 2016: Bauhinia forficata, commonly known as Brazilian orchid tree, Pata de Vaca,  is a species of flowering tree in the pea family, Fabaceae, that is native to Argentina, Brazil and Peru.Its flowers are white and pinkish, and is similar to an orchid. Deciduous leaves are lobed and the name "pata de vaca" resemble the imprint of a hoof there. It timber, known as false mahogany advantage, although its most widespread use is as a medicinal plant. In this sense, they have been well studied by their properties as:
a) Hypoglycemic and diuretic;
b) It is also used as an astringent, healing and antiseptic;
c) Both previous assertions are correct.




READ ANSWER...
See all: Toxicological trivia


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Home Intoxications

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