Logo Sertox

Portal latinoamericano de toxicología

  • Spanish
  • English

Country: USA & Canada

Neonicotinoids and decline in bird biodiversity in the United States, study


Decline in US bird biodiversity related to neonicotinoids, study shows. sciencedaily.com. August 14, 2020. Summary: Bird biodiversity is rapidly declining in the US. The overall bird population decreased by 29% since 1970, while grassland birds declined by an alarming 53%. A new study points to increased use of neonicotinoid insecticides as a major factor in […]

COVID-19 patients who received hydroxychloroquine or chloroquine, had worse outcomes


No improvement in death rate for COVID-19 patients who received hydroxychloroquine. eurekalert.org. May 22, 2020. In an observational analysis of almost 100,000 hospitalized COVID-19 patients of whom nearly 15,000 received hydroxychloroquine or chloroquine, patients had worse outcomes and heightened risk of ventricular arrythmias. A research team led by investigators from Brigham and Women’s Hospital has […]

Elevated levels of nitrogen dioxide in the air may be associated with a high number of deaths from Covid-19

Contaminación del aire

Corona and air pollution: How does nitrogen dioxide impact fatalities? eurekalert.org. 20/04/2020. Elevated levels of nitrogen dioxide in the air may be associated with a high number of deaths from Covid-19. A new study by Martin Luther University Halle-Wittenberg (MLU) provides concrete data that back this assumption for the first time. The paper combines satellite […]

Common bisphenol A substitutes can affect the developing fetus and cause hypertension in later life


Chemicals used to replace BPA may lead to increased blood pressure. sciencedaily.com. March 30, 2020. Summary: Common bisphenol A (BPA) substitutes can affect the developing fetus and cause hypertension in later life, suggests a rodent study. Common bisphenol A (BPA) substitutes can affect the developing fetus and cause hypertension in later life, suggests a rodent […]

Potential dangers when using drugs to treat COVID-19 that can cause heart rhythm changes

Microscopy image showing SARS-CoV-2

Patients at risk of drug-induced sudden cardiac death in COVID-19. sciencedaily.com. March 25, 2020. Summary: SARS-CoV-2, the virus that causes COVID-19, continues to spread, leading to more than 20,000 deaths worldwide in less than four months. Efforts are progressing to develop a COVID-19 vaccine, but it’s still likely 12 to 18 months away. SARS-CoV-2, the […]

Fluoride exposure alters Ca2 signaling and mitochondrial function in enamel cells, study


How too much fluoride causes defects in tooth enamel. sciencedaily.com. February 18, 2020. Changes within enamel cells point to mechanism by which excessive fluoride leads to fluorosis. Summary: Exposing teeth to excessive fluoride alters calcium signaling, mitochondrial function, and gene expression in the cells forming tooth enamel — a novel explanation for how dental fluorosis, […]

Identification of bioactive compounds from fungi using zebrafish embryogenesis as read-out, study


Using fungi to search for medical drugs. sciencedaily.com. November 26, 2019. Summary: An enormous library of products derived from more than 10,000 fungi could help us find new drugs. Researchers have set up this library and screened it for biologically active compounds. The researchers identified various known compounds, among which the cholesterol lowering drug lovastatin. […]

Air pollution is the fifth leading risk factor for mortality worldwide

Contaminación del aire

Air pollution is reaching endemic proportions. By Daniel T Cross. sustainability-times.com. November 22, 2019. Air pollution is a potent killer. Need proof? Consider these facts: in the United States alone some 200,000 people succumb to ailments brought on or exacerbated by toxic air. Air pollution has been linked to a variety of debilitating health conditions […]

The concurrent decline of soil lead and blood lead of children in New Orleans, study


Study finds topsoil is key harbinger of lead exposure risks for children. sciencedaily.com. October 14, 2019. Summary: Tracking lead levels in soil over time is critical for cities to determine lead contamination risks for their youngest and most vulnerable residents, according to a new study.Tracking lead levels in soil over time is critical for cities […]

Maternal exposure to industrial pollution can harm the immune system of offspring, study


Environmental toxins impair immune system over multiple generations. sciencedaily.com. October 02, 2019. Summary: New research shows that maternal exposure to a common and ubiquitous form of industrial pollution can harm the immune system of offspring and that this injury is passed along to subsequent generations, weakening the body’s defenses against infections such as the influenza […]

Environmental contamination from E-cigarette, cigarette, Cigar, and cannabis products


E-cigarettes, tobacco and cannabis products are littering high schools. sciencedaily.com. October 10, 2019. Summary: High schools in the San Francisco Bay area are being contaminated by plastics and toxic litter from e-cigarettes, cannabis products and combustible tobacco products such as cigarettes and cigarillos, a new study has found.High schools in the San Francisco Bay Area […]

Pathology of vaping-associated lung injury, study


Vaping-associated lung injury may be caused by toxic chemical fumes, study finds. sciencedaily.com. October 02, 2019. Summary: Research into the pathology of vaping-associated lung injury is in its early stages, but a study finds that lung injuries from vaping most likely are caused by direct toxicity or tissue damage from noxious chemical fumes. Cigarrillo electrónico […]

Global trends in antimicrobial resistance in animals in low- and middle-income countries, study


Antimicrobial resistance is drastically rising. sciencedaily.com. September 19, 2019. Summary: Researchers have shown that antimicrobial-resistant infections are rapidly increasing in animals in low and middle income countries. They produced the first global of resistance rates, and identified regions where interventions are urgently needed. Pollos corriendo (Sertox) Chickens (stock image).Credit: © Alexbedoya / Adobe StockThe world is […]

Antibiotic resistance among bacteria isolated from common bottlenose dolphins in Florida


Antibiotic resistance surges in dolphins, mirroring humans. 13 years of antibiotic resistance trends in bottlenose dolphins. sciencedaily.com. September 15, 2019. Summary: Scientists obtained a total of 733 pathogen isolates from 171 individual wild Bottlenose dolphins in Florida and found that the overall prevalence of resistance to at least one antibiotic for the 733 isolates was […]

Oral fluoroquinolones and risk of mitral and aortic regurgitation, study


Commonly used antibiotics may lead to heart problems. sciencedaily.com. September 10, 2019. Summary: Scientists have shown for the first time a link between two types of heart problems and one of the most commonly prescribed classes of antibiotics. (Sertox) Antibiotic pills illustration (stock image).Credit: © pictoores / Adobe StockScientists have shown for the first time a […]

Scorpion toxin can be used as a tool for studying chronic pain and inflammation


Scorpion toxin that targets ‘wasabi receptor’ may help solve mystery of chronic pain. sciencedaily.com. August 22, 2019. Summary: Researchers have discovered a scorpion toxin that targets the ‘wasabi receptor,’ a chemical-sensing protein found in nerve cells that’s responsible for the sinus-jolting sting of wasabi. Because the toxin triggers a pain response, scientists think it can […]

Association of smoking cessation with subsequent risk of cardiovascular disease, study


Quitting smoking associated with lower risk of cardiovascular disease. sciencedaily.com. August 20, 2019. Summary: Heavy cigarette smokers with at least a 20 pack-year smoking history can reduce their risk of cardiovascular disease (CVD) by 39% within five years if they quit, according to a new study Fumando espero… (Sertox) Heavy cigarette smokers with at least […]

Cannabis exposure among children and teenagers after medical marijuana legalization in Massachusetts


Cannabis-related poison control calls for Massachusetts kids doubled after medical pot legalized. sciencedaily.com. August 16, 2019. Summary: After medical marijuana became legal in Massachusetts, cannabis-related poison control calls involving the commonwealth’s children and teenagers doubled, according to a public health investigation. Hoja de marihuana (Sertox) After medical marijuana became legal in Massachusetts, cannabis-related poison control […]

Binge alcohol is more injurious to liver in female than in male rats, study


Binge drinking may be more damaging to women. sciencedaily.com. August 19, 2019. Female rats more susceptible to liver injury after three binge drinking episodes. Summary: In a recently published study examining the effects of binge drinking on rats, researchers discovered that female rats who were of equal age and weight to male rats were more […]

Association between exposure to air pollution and emphysema


Air pollution can accelerate lung disease as much as a pack a day of cigarettes. sciencedaily.com. August 13, 2019. Summary: Air pollution — especially ozone air pollution which is increasing with climate change — accelerates the progression of emphysema of the lung, according to a new study. Pulmones (SerTox) Air pollution — especially ozone air […]

Prevalence of aspirin use for primary prevention of cardiovascular disease in the United States


Widespread aspirin use despite few benefits, high risks. sciencedaily.com. July 22, 2019. Summary: Nearly 30 million Americans older than 40 take aspirin daily to prevent cardiovascular disease. More than 6 million Americans take aspirin daily without physician’s recommendation. Nearly half of Americans more than 70 years of age without cardiovascular disease, an estimate of nearly […]

Use of antibiotics without a prescription in the US population, study


Using antibiotics without a prescription is a prevalent public health problem. sciencedaily.com. July 22, 2019. Summary: People using antibiotics without a prescription seems to be a prevalent public health problem. Antibiotics were obtained through various means, including saving leftover prescriptions for later use, getting them from friends and family, or obtaining them from local markets […]

Cilantro leaf harbors a potent potassium channel–activating anticonvulsant, study


New study explains the molecular mechanism for the therapeutic effects of cilantro. sciencedaily.com. July 22, 2019. Herbs, including cilantro, have long been used as folk remedies. Summary: Herbs, including cilantro, have a long history of use as folk medicine anticonvulsants. Until now, many of the underlying mechanisms of how the herbs worked remained unknown. In […]


Revista toxicológica en línea