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Category: food – Page 5

New research from The University of Manchester may reshape our understanding of what happens to the immune system when we fast. The study on mice shows that the brain’s hypothalamus controls how the immune system adapts during fasting, through a handful of highly specialized neurons responsible for making animals hungry.

Published in Science Immunology, the study shows the brain’s perception of hunger or fullness, rather than actual eating or , is enough to drive changes in the body’s immune cells.

The findings cast doubt on the current view that a lack of nutrients alone controls how the immune system responds to fasting, indicating the brain has a critical role, beyond the simple absence of food.

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Scientists at Oak Ridge National Laboratory have developed the first-ever method of detecting ribonucleic acid, or RNA, inside plant cells using a technique that results in a visible fluorescent signal. The technology can help researchers detect and track changes in RNA and gene expression in real time, providing a powerful tool for the development of hardier bioenergy and food crops and for the detection of unwanted plant modifications, pathogens and pests.

RNA is a signaling molecule inside cells that is used to read the deoxyribonucleic, or DNA, code and convert it into functional parts such as proteins that are essential for and . The ORNL-developed biosensor continuously monitors RNA levels in live plants, replacing a traditional destructive, time-consuming method used by scientists for collecting, processing and analyzing tissue.

“With this biosensor, scientists gain real-time insights into how cells reprogram themselves at a molecular level under changing environmental conditions such as drought or disease,” said Xiaohan Yang, lead for the project at ORNL. The approach streamlines traditional methods used to verify in modified plants and can better detect plant physiology related to disease or nutrient stress, accelerating the development of better crops.

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Continue reading “Dietary AGE Products Shorten Lifespan On A Calorie Restricted Diet” | >

Brigham and Women’s Hospital-led research reports no significant long-term benefit of cocoa flavanol supplementation in preventing age-related macular degeneration (AMD). The paper is published in the journal JAMA Ophthalmology.

AMD is a progressive retinal disease and the most common cause of severe vision loss in adults over age 50. AMD damages the macula, the central part of the retina responsible for sharp, detailed vision. While peripheral sight is typically preserved, central vision loss can impair reading, driving, facial recognition, and other quality of life tasks. Abnormalities of blood flow in the eye are associated with the occurrence of AMD.

Cocoa flavanols are a group of naturally occurring plant compounds classified as flavonoids, found primarily in the cocoa bean. These bioactive compounds have been studied for their vascular effects, including improved endothelial function and enhanced nitric oxide production, which contribute to vasodilation and circulatory health. Previous trials have shown that moderate intake of may , improve lipid profiles, and reduce markers of inflammation, suggesting a role in mitigating cardiovascular and related vascular conditions.

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A new study reveals that how your brain reacts to food purchasing decisions can be used to determine your political affiliation with almost 80% accuracy.

Researchers from Iowa State University, the University of Kansas Medical Center, Oklahoma State University, and the University of Exeter in England used brain imaging techniques to examine adults purchasing eggs and milk with various prices and produced in different ways.

Interestingly, the purchases did not significantly differ by the adults’ political party. What differed by political affiliation, were the areas of the brain that were active during the purchases. The study is published in the journal Politics and the Life Sciences.

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University of Melbourne hydrology professor Dongryeol Ryu and his collaborator Ki-Weon Seo were on a train to visit Ryu’s family when they found something startling. Stopped at a station for technical issues, Seo had pulled out his computer to pass the time with some work when a result popped up in their data that Ryu could hardly believe: It suggested a “remarkable” amount of Earth’s water stored on land had been depleted.

“At first we thought, ‘That’s an error in the model,’” Ryu said.

After a year of checking, they determined it wasn’t.

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Israeli food-tech startup Finally Foods has developed the world’s first genetically engineered potatoes containing cow-milk protein, a breakthrough that could revolutionize dairy production.

The company, part of Strauss Group’s The Kitchen food-tech incubator, is set to launch its first field trial next month in southern Israel, where the modified potatoes will be cultivated.

Once harvested, the potatoes will be processed to extract casein protein powder, a key component in dairy production. Casein, which makes up 80% of milk proteins, is essential for cheese-making and provides melting, stretching and foaming properties in dairy products.

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