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Latin America

Blood pressure after a heightened pesticide spray period among children living in Ecuador, study

23/05/2019

Hypertension found in children exposed to flower pesticides. sciencedaily.com. May 22, 2019. Summary: Researchers have found higher blood pressure and pesticide exposures in children associated with a heightened pesticide spraying period around the Mother’s Day flower harvest. This study involved boys and girls living near flower crops in Ecuador. Flor de solanum, cerca de Cuenca, […]


A Brazilian court overturned an injunction banning products containing glyphosate

04/09/2018

Brazil court overturns ban on weed-killer glyphosate. reuters.com. September 03, 2018. A Brazilian court on Monday overturned an injunction banning products containing the popular weed-killer glyphosate, knocking down a previous ruling that had been set to disrupt the soy planting season set to begin this month. A Brazilian judge ruled last month to halt the registration […]


Taurine modulates acute ethanol induced social behavioral deficits in adult zebrafish

14/08/2018

Mixing energy drinks with alcohol could enhance the negative effects of binge drinking. sciencedaily.com. August 14, 2018. Summary: A key ingredient of energy drinks could be exacerbating some of the negative effects of binge drinking according to a new study. Danio rerio (WP) A key ingredient of energy drinks could be exacerbating some of the […]


A novel molecule is a strong candidate for the development of a new antimalarial drug

10/08/2018

A new, highly effective and selective molecule is developed to fight malaria. eurekalert.org. August 09, 2018. In tests with mice and in vivo culture, molecule designed in Brazil was capable of killing Plasmodium resistant strains and reducing the number of parasites in the bloodstream by 62 percent without attacking cells of the host organism. Plasmodium […]


Effects of pyraclostrobin on Bombyx mori and their production of cocoons, study

07/06/2018

Fungicide impairs silk production, according to study. eurekalert.org. June 06, 2018. By testing an agrochemical designed to increase resistance on the mulberry plants used to feed silkworms, a research verified a rise in caterpillars’ mortality and reduction in the size of cocoons.  One of the problems caused by the intensive use of pesticides is their […]


Bothrops venoms revealed as molecular signatures that contribute to venom phenotype, study

02/06/2018

How just drops of viper venom pack a deadly punch. eurekalert.org. June 01, 2018. A bite from a lancehead snake can be fatal. Species in the family, found throughout Central and South America, have venom that can disrupt blood clotting and cause hemorrhage, strokes and kidney failure.CAPTIONResearchers studying venom from Bothrops jararaca (shown) and related […]


Skin gland concentrations adapted to different evolutionary pressures in Siphonops annulatus

23/02/2018

Playing both ends: Amphibian adapted to varied evolutionary pressures. sciencedaily.com. February 23, 2018. Summary: Caecilian, Siphonops annulatus, a limbless amphibian found throughout Brazil, has a concentration of enlarged mucous glands in its head region and a concentration of enlarged poison glands in its posterior region. These concentration appear to have evolved from different selective pressures: […]


Exposure to lead from glazes that line traditional Mexican ceramics can be toxic

24/10/2016

Some Mexican Ceramics Can Serve Up Lead Poisoning. medlineplus.gov. October 20, 2016. Canadian woman’s illness highlights danger from glazes with high lead levels, doctors say. A charming ceramic reminder of a Mexican vacation could end up giving you lead poisoning, a new study warns. Exposure to high concentrations of lead — often found in glazes […]



Kankuamo marquezi, a new theraphosid genus from Colombia (Araneae, Mygalomorphae)

03/07/2016

A hair’s breadth away: New tarantula species and genus honors Gabriel García Márquez. sciencedaily.com. June 29, 2016. Summary: Thanks to its extraordinary defensive hairs, a Colombian tarantula proved itself as not only a new species, but also as a new genus. Its genus’ name honors an indigenous people from the Caribbean coast region, while its species’ name […]



Trivia # 302: Spilotes pullatus

16/09/2015

Toxicological trivia from September 16, 2015:  Spilotes pullatus, commonly known as the caninana,chicken snake, yellow rat snake, or serpiente tigre, is a species of large nonvenomous colubrid snake endemic to Mesoamerica. It is found in southern Central America, northern South America, and Trinidad and Tobago.It tends to inhabit forested areas, and is often found near […]


Trivia # 292: pyrethroids in dolphins

08/07/2015

Toxicological Trivia from July 08, 2015: in August 2012  an article published in the journal Environment International, by Damià Barceló and other authors, which considers "surprising" finding of pyrethroid insecticides  in dolphins, and also is discussed accumulation of these contaminants. The highest concentrations were found in the offspring of these mammals, which is considered unprepared […]



Smoke exposure in pregnant women from Argentina and Uruguay, study

29/12/2014

Pregnant Women’s Secondhand Smoke Exposure and Receipt of Screening and Brief Advice by Prenatal Care Providers in Argentina and Uruguay.Tong VT1, Morello P, Alemán A, Johnson C, Dietz PM, Farr SL, Mazzoni A, Berrueta M, Colomar M, Ciganda A, Becú A, Bittar Gonzalez MG, Llambi L, Gibbons L, Smith RA, Buekens P, Belizán JM, Althabe […]


The asbestos industry in Brazil and the human cost

29/11/2014

Italian supreme court’s asbestos ruling could have major implications for Brazil. theguardian.com. November 1º, 2014, Court’s cancellation of Swiss asbestos polluter’s jail sentence dismays activists in Brazil, where substance is widely used. The Italian supreme court ruling on a case brought against Eternit, a Swiss-based building firm, could have major implications for the continued use […]


Brasil: Atractus spinalis, a new species of snake that is a foot long and non-venomous

21/08/2014

Beautiful New Snake Species Discovered in Brazil. By John  Virata. reptilesmagazine.com.  August 20, 2014. Brazilian scientists have discovered a new species of snake that is a foot long, non-venomous, and pretty as all get out. The snake, named Atractus spinalis and of the family Dipsadidae, is brownish and reddish-burnt orange in coloration with a yellowish […]



Galápagos: Darwin’s finches combat introduced nest parasites with fumigated cotton

05/05/2014

With ‘self-fumigation,’ Darwin’s finches combat deadly parasitic flies. eurekalert.org. May 05, 2014. Researchers have found a way to protect threatened Darwin’s finches on the Galápagos Islands from deadly parasitic nest flies in a manner that’s as simple as it is ingenious: by offering the birds insecticide-treated cotton for incorporation into their nests. The study, reported […]



Trivia # 228: common names of Caesalpinia gilliesii

19/03/2014

Toxicological  trivia from March 19, 2014: In our paper entitled  "Adaptación para la atención primaria de salud de una clasificación de plantas tóxicas" ("Adapting to primary health care rated toxic plants") in Group 2 (Plants that produce diarrhea and may be associated with emesis) figure Caesalpinia gilliesii, with the common name in Spanish "Lagaña de […]



The result of Krokodil addiction in a 17-Year-Old mexican girl

10/12/2013

Teen Injects Krokodil Into Her Genitals: 17-Year-Old Has ‘Rotted’ Vagina After 2 Months Of Injections. By Justin Caba. medicaldaily.com. December 10, 2013. Although the Drug Enforcement Agency (DEA) denies reports involving the use of the highly addictive, flesh-eating substance "Krokodil" in the U.S., officials in Mexico say the drug has appeared sporadically throughout the country. […]


WHO: Contaminated Dextromethorphan active pharmaceutical ingredient in Paraguay

19/10/2013

Contaminated Dextromethorphan active pharmaceutical ingredient. Information Exchange System. Drug Alert No. 129. October 17, 2013. See in PDF Format.Background:On 24 January 2013 WHO Drug Alert number 126 was published following the discovery in Pakistan of two types of locally produced cough syrups containing the contaminated active pharmaceutical ingredient (API) Dextromethorphan. This led to the death of […]


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