Health & Fitness

A new study is causing fresh doubts about the safety of genetically modified crops. The research found Bt toxin, which is present in many GM crops, in human blood.

Bt toxin makes crops toxic to pests, but it has been claimed that the toxin poses no danger to the environment and human health; the argument was that the protein breaks down in the human gut. But the presence of the toxin in human blood shows that this does not happen.

India Today reports:

“Scientists ... have detected the insecticidal protein ...  circulating in the blood of pregnant as well as non-pregnant women. They have also detected the toxin in fetal blood, implying it could pass on to the next generation.”

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How and what you eat has radically changed over the past few decades with the all-consuming rise of the supermarket. But what price are you paying for this homogenized, cheap and convenient food? This video investigates how supermarkets have affected the food on your plate, and reveals the telltale signs that the food you buy may not have been grown in the way you think.

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This very accessible and easy to perform intervention could have a strong effect on reducing blood pressure, say researchers.

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Researchers detail how a ubiquitous signaling molecule plays a critical role in male fertility, orchestrating key steps that promote sperm motility, survival and fertilization success.

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A microphysiological system (MPS) is a 3D organ construct using human cells. They show us how organs respond to drugs and environmental stimuli. Now, researchers have developed a new imaging tool for MPS using scanning probe microscopy.

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Genetic testing for cardiovascular disorders is rapidly expanding, including among children. In its first scientific statement focused on the issue of cardiovascular genetic testing specifically among children, the American Heart Association provides information and guidance on the topic, including issues of timing, consent, family counseling before and after testing, and follow-up.

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A novel artificial intelligence blood testing technology was found to detect over 90% of lung cancers in samples from nearly 800 individuals with and without cancer.

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Diffuse correlation spectroscopy (DCS) is used for noninvasive detection of blood flow. However, current DCS devices need to be improved to increase the signal-to-noise ratio for more accurate measurements. Now, researchers have developed a superconducting nanowire single-photon detector (SNSPD) -- based DCS device with a high signal-to-noise ratio and high sensitivity for blood flow.

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Experts in MS research suggest that cognitive rehabilitation is an effective approach to improving MS-related cognitive impairment.

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Researchers have developed a new way to deliver molecular therapies to cells. The system, called SEND, can be programmed to encapsulate and deliver different RNA cargoes.

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Very unusual atomic states are produced at TU Wien: Ions are created by removing not just one but 20 to 40 electrons from each atom. These "highly charged ions" play an important role in current research. For a long time, people have been investigating what happens when such highly charged ions hit solid materials. This is important for many areas of application in materials research. Therefore it is crucial to know how the charge state of the ions change when they penetrate a material -- but this is exactly what has been impossible to observe directly until now. New measurements at TU Wien (Vienna) show that the ions obey remarkably simple laws.

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Investigators have found that the absence of autoimmune regulator (Aire) in mice results in fertility problems similar to those affecting men with autoimmune polyendocrine syndrome type I (APS-1). Aire-dependent central tolerance plays a critical role in maintaining male fertility by preventing autoimmune attack against multiple reproductive targets, they report.

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During the COVID-19 pandemic months of March 2020 to September 2020, U.S. alcohol retail store sales increased compared to usual trends while food services and drinking places sales decreased markedly during the same period, according to a new study. These results indicate an increase in home drinking in the U.S.

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A CRISPR screening tool identified a new therapeutic target to treat acute myeloid leukemia (AML) that has the potential to leave patients with fewer side effects than current approaches.

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Moderately ill patients hospitalized with COVID-19 have better chances of survival if treated with therapeutic-dose anticoagulation, according to a new study.

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A new study reveals several drug contenders already in use for other purposes that have been shown to block or reduce SARS-CoV2 infection in cells. The study uses artificial intelligence-powered image analysis of human cell lines during infection with the novel coronavirus.

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A new study of the genetics underlying facial features finds that East Africans have some unique facial genetics and some that are shared with Europeans. The findings add to our understanding of how genetics shape the human face.

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A gene called Npas4, already known to play a key role in balancing excitatory and inhibitory inputs in brain cells, appears to also be a master timekeeper for the brain's circadian clock, new research suggests. The finding broadens understanding of the circadian clock's molecular mechanisms, which could eventually lead to new treatments for managing challenges such as jet lag, shift work, and sleep disorders.

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A child's educational success depends on the genes that they haven't inherited from their parents, as well as the genes they have, according to a new study.

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Pompe disease is a rare genetic disorder that disables heart and skeletal muscles and can lead to early death if untreated. The only available treatment for the disease is enzyme replacement therapy that must be injected regularly, sometimes every few days, for life. The treatment can cost hundreds of thousands of dollars a year. Researchers have now developed a method that could make enzyme replacement therapy more efficient, less expensive and less frequent.

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An exercise physiology study has demonstrated that perception of core body temperature is altered by low-intensity exercise in cold environments. The findings have provided important information about the role of temperature sensation in thermoregulation and suggest that, during activities performed in the water or in the winter, the possibility of accidental hypothermia should be kept in mind.

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T cells play a decisive role in fighting the coronavirus and preventing infected individuals from becoming seriously ill. They identify and fight the virus directly within the infected cells. Researchers have produced a precise profile of the T cells that respond to SARS-CoV-2 and described them at various stages of the illness. This novel methodological approach may in the future also help to assess the efficacy of SARS-CoV-2 vaccines or in the development of T cell-based treatments for serious cases.

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A new study reveals that high-grade gliomas, or brain tumors, in dogs contained more immune cells associated with suppressing immune response than low-grade gliomas.

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