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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.
June 2019 Newsletter: See

 Cue reactivity in the ventral striatum characterizes heavy cannabis use, study

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Un picador de marihuana (Photo: Sertox )

Formation of habitual use drives cannabis addiction. sciencedaily.com. June 13, 2019. Individual differences in brain systems for habitual behavior distinguish heavy cannabis users who develop an addiction. Summary: A shift from brain systems controlling reward-driven use to habit-driven use differentiates heavy cannabis users who are addicted to the drug from users who aren't, according to a new study. The findings help explain how the brain becomes dependent on cannabis, and why not all cannabis users develop an addiction, even with long-term regular use.


FULL ARTICLE...
Posted by jcp on Viernes, junio 14 @ 00:00:00 ART (8 reads)

 Chemical residue evidence from the first millennium BCE in the Pamirs & the origins of cannabis use

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Cannabis, tan fresco como hace 27 siglos (Photo: infonews.com)

Origins of cannabis smoking. Evidence from ancient burials at high elevations. sciencedaily.com. June 12, 2019. Summary: A chemical residue study of incense burners from ancient burials at high elevations in western China has revealed psychoactive cannabinoids. The finding provides some of the earliest evidence for the use of cannabis for its psychoactive compounds.

FULL ARTICLE...
Posted by jcp on Viernes, junio 14 @ 00:00:00 ART (17 reads)

 How much microplastics do Americans consume per year?

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Fibras de microplásticos en el ambiente marino (Photo: WP)

Americans consumer 70,000 particles of microplastics per year. sciencedaily.com. June 5, 2019. Summary: Since the mass production of plastics began in the 1940s, the versatile polymers have spread rapidly across the globe. Although plastics have made life easier in many ways, disposing of the materials is a growing problem. Now, researchers estimate that the average American consumes more than 70,000 particles of microplastics per year, though the health effects of that consumption are unclear.

FULL ARTICLE...
Posted by jcp on Viernes, junio 07 @ 00:00:00 ART (27 reads)

 Study found surprisingly high levels of pollutants, in carefully monitored homes

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Muebles sin químicos en la Aripuca (Photo: Sertox )

Researchers uncover indoor pollution hazards. sciencedaily.com. June 6, 2019. Summary: A team of researchers has found surprisingly high levels of pollutants, including formaldehyde and possibly mercury, in carefully monitored homes, and that these pollutants vary through the day and increase as temperatures rise.

FULL ARTICLE...
Posted by jcp on Viernes, junio 07 @ 00:00:00 ART (19 reads)

 Impact of high volume energy drink consumption on electrocardiographic and blood pressure parameters

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Una lata con advertencias ... (Photo: Sertox )

Energy drinks may increase risk of heart function abnormalities and blood pressure changes. sciencedaily.com. May 29, 2019.Summary: Three to four hours after drinking 32 ounces of energy drinks, the heart's electrical activity was abnormal compared to drinking a placebo drink. Two different commercially available energy drinks produced the same results, suggesting that energy drinks as a class should be consumed with caution.

FULL ARTICLE...
Posted by jcp on Jueves, mayo 30 @ 00:00:00 ART (67 reads)

 Canadian neuroscientists offer insights into the long-term effects of adolescent cannabis use

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Hoja de marihuana (Photo: Sertox )

Growing up high: Neurobiological consequences of adolescent cannabis use. eurekalert.org. May 25, 2019. Canadian neuroscientists offer insights into the long-term effects of adolescent cannabis use. About one in five Canadian adolescents uses cannabis (19% of Canadians aged 15-19), and its recent legalization across the country warrants investigation into the consequence of this use on the developing brain.

FULL ARTICLE...
Posted by jcp on Domingo, mayo 26 @ 00:00:00 ART (27 reads)

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

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Flor de solanum, cerca de Cuenca, Ecuador (Photo: Sertox )

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.

FULL ARTICLE...
Posted by jcp on Jueves, mayo 23 @ 00:00:00 ART (21 reads)

 Damage to the lining of the stomach can occur quickly when children swallow button batteries

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Pila boton (Photo: WP)

Button batteries can rapidly damage stomach lining before symptoms appear. sciencedaily.com. May 18, 2019. Experts recommend changing current practice of watchful waiting. Summary: Damage to the lining of the stomach can occur quickly when children swallow button batteries; therefore, clinicians should consider prompt endoscopic removal, even when the child is symptom free and the battery has passed safely through the narrow esophagus, according to new research. The recommendations represent a change from current practice of watching and waiting.

FULL ARTICLE...
Posted by jcp on Lunes, mayo 20 @ 00:00:00 ART (42 reads)

 Significant plastic accumulation on the Cocos (Keeling) Islands, Australia, study

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

Australian islands home to 414 million pieces of plastic pollution. sciencedaily.com. May 16, 2019. Summary: A survey of plastic pollution on Australia's Cocos (Keeling) Islands has revealed the territory's beaches are littered with an estimated 414 million pieces of plastic debris. The study estimated beaches on the Indian Ocean islands are littered with 238 tons of plastic, including 977,000 shoes and 373,000 toothbrushes.

FULL ARTICLE...
Posted by jcp on Viernes, mayo 17 @ 00:00:00 ART (29 reads)

 Chronic kidney disease of unknown cause in agricultural, study

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(Photo: WP)

Chronic kidney disease epidemic may be result of high heat, toxins. eurekalert.org. May 08, 2019. CU Anschutz researchers believe climate change may play role in epidemic that has killed thousands of agricultural workers.  A mysterious epidemic of chronic kidney disease among agricultural workers and manual laborers may be caused by a combination of increasingly hot temperatures, toxins and infections, according to researchers at the University of Colorado Anschutz Medical Campus.

FULL ARTICLE...
Posted by jcp on Miércoles, mayo 08 @ 00:00:00 ART (32 reads)

 A thousand years ago, Native Americans in South America used multiple psychotropic plants

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Yagué o ayahuasca (Photo: Sertox )

Ancient ritual bundle contained multiple psychotropic plants. eurekalert.org. May 06, 2019. A thousand years ago, Native Americans in South America used multiple psychotropic plants -- possibly simultaneously -- to induce hallucinations and altered consciousness, according to an international team of anthropologists.

FULL ARTICLE...
Posted by jcp on Lunes, mayo 06 @ 00:00:00 ART (32 reads)

 Exposure to secondhand smoke linked with a 13% increased risk of hypertension

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Fumando espero... (Photo: Sertox )

Avoid smoky environments to protect your heart. sciencedaily.com. May 3, 2019. Summary: If a room or car is smoky, stay away until it has cleared. That's the main message of new research.
If a room or car is smoky, stay away until it has cleared. That's the main message of research presented today at EuroHeartCare 2019, a scientific congress of the European Society of Cardiology (ESC). (1)

FULL ARTICLE...
Posted by jcp on Sábado, mayo 04 @ 00:00:00 ART (51 reads)

 Increases in suicide attempts by Self-poisoning in the US among youth and young adults from 2000 to

Suicide attempts by self-poisoning have more than doubled in teens, young adults. sciencedaily.com. May 2, 2019. Summary: A new study found rates of suicide attempts by self-poisoning among adolescents have more than doubled in the last decade in the United States, and more than tripled for girls and young women.

FULL ARTICLE...
Posted by jcp on Sábado, mayo 04 @ 00:00:00 ART (15 reads)

 Molecular dissection of box jellyfish venom cytotoxicity highlights an effective venom antidote

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Chinorex fleckeri (Photo: WP)

Deadly box jellyfish antidote discovered using CRISPR genome editing. sciencedaily.com. April 30, 2019. Pain researchers uncover secrets to box jellyfish venom. Summary: Researchers studying how pain works have discovered an antidote to the deadly sting delivered by the most venomous creature on Earth -- the Australian box jellyfish. A single sting to a human causes necrosis of the skin, excruciating pain and, if the dose of venom is large enough, cardiac arrest and death within minutes. The new antidote, discovered using CRISPR genome editing techniques, blocks the symptoms within 15 minutes after contact.

FULL ARTICLE...
Posted by jcp on Sábado, mayo 04 @ 00:00:00 ART (25 reads)

 Arsenic level of 17 ppb like in Peñafiel brand is a clear violation of the US bottled water standard

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Florcita en un vaso de agua (Photo: SerTox)

Arsenic in Some Bottled Water Brands at Unsafe Levels, Consumer Reports Says. By Ryan Felton*. consumerreports.org. April 18, 2019. Keurig Dr Pepper suspends production of its Peñafiel brand, as CR urges a full recall and tougher federal standards. What you need to know. Natural foods grocery chain Whole Foods introduced its new brand of bottled water at a 2015 investor event, where company executives heralded the product’s purity and healthfulness.

FULL ARTICLE...
Posted by jcp on Martes, abril 23 @ 00:00:00 ART (62 reads)

 Those who smoke cannabis, or marijuana, weigh less compared to adults who do not

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Hoja de marihuana (Photo: Sertox )

Marijuana users weigh less, defying the munchies. eurekalert.org. April 19, 2019.  New evidence from Michigan State University suggests that those who smoke cannabis, or marijuana, weigh less compared to adults who don't. The findings, published in the International Journal of Epidemiology, are contrary to the belief that marijuana users who have a serious case of the munchies will ultimately gain more weight.

FULL ARTICLE...
Posted by jcp on Viernes, abril 19 @ 00:00:00 ART (33 reads)

 Enzyme MHETase decoded: A long-term solution to the plastic waste problem?

'Molecular scissors' for plastic waste. Enzyme MHETase decoded. eurekalert.org. April 12, 2019. Plastics are excellent materials: extremely versatile and almost eternally durable. But this is also exactly the problem, because after only about 100 years of producing plastics, plastic particles are now found everywhere - in groundwater, in the oceans, in the air, and in the food chain. 

FULL ARTICLE...
Posted by jcp on Martes, abril 16 @ 00:00:00 ART (36 reads)

 Revenue losses to State and Federal Government from opioid-related employment reductions, study

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Sobredosis de metadona y otros opioides (Photo: CDC)

Opioid epidemic may have cost US governments $37.8 billion in tax revenue. sciencedaily.com. April 11, 2019. Summary: The opioid epidemic may have cost U.S. state and federal governments up to $37.8 billion in lost tax revenue due to opioid-related employment loss.

FULL ARTICLE...
Posted by jcp on Domingo, abril 14 @ 00:00:00 ART (28 reads)

 The legacy lead deposition in soils and its impact on cognitive function in preschool-aged children

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Niños/kids (Photo: Sertox )

Higher lead in topsoil boosts probability of cognitive difficulties in 5-year-old boys. sciencedaily.com. April 10, 2019. Summary: Researchers sought to estimate the effects of exposure to lead in topsoil on the cognitive ability of 5-year-olds in the United States. 

FULL ARTICLE...
Posted by jcp on Domingo, abril 14 @ 00:00:00 ART (33 reads)

 Global,national & urban burdens of paediatric asthma incidence attributable to ambient NO2 pollution

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Antes y despues del asma (Photo: WP)

Millions of children worldwide develop asthma annually due to traffic-related pollution. sciencedaily.com.  April 10, 2019. Summary: About 4 million children worldwide develop asthma each year because of inhaling nitrogen dioxide air pollution, according to a new study. The study, based on data from 2010 to 2015, estimates that 64 percent of these new cases of asthma occur in urban areas.

FULL ARTICLE...
Posted by jcp on Jueves, abril 11 @ 00:00:00 ART (70 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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