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Showing posts with the label Dysbiosis

Unlocking the Secrets of Healthy Aging: Does Our Cellular Cleanup Crew Get Better With Age?

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  1. The Puzzle of the Ticking Clock and the Cellular Cleanup Crew For decades, a central assumption in the science of aging has been that our bodies inevitably break down. Based largely on animal studies, the prevailing wisdom held that a critical cellular recycling process, known as autophagy , declines as we get older. This decline was thought to contribute to a host of age-related diseases by allowing cellular waste to accumulate, particularly within the immune system. But what if this story of inevitable decline is incomplete? What if, instead of simply failing, our cells learn to work smarter, not harder, as we age? This question is at the heart of the research paper, "Preservation of Autophagy May Be a Mechanism Behind Healthy Aging." The study set out to answer a direct and crucial question: Is autophagy impaired in the vital immune cells (specifically, CD4+ T cells) of healthy older people compared to healthy younger people? Based on the wealth of prior research, the...
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Can Gut Health Improve or Prevent Food Allergies?

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Food allergies are rising worldwide, ranging from mild sensitivities to severe anaphylaxis. Studies show this increase varies across regions and populations, highlighting environmental and dietary influences beyond genetics. In developed countries, about 8 percent of children and 10 percent of adults have at least one food allergy. In Europe, up to one in five people report symptoms, but confirmed cases are closer to 0.8 percent. In the United States, around one in thirteen children and one in ten adults have a clinically verified allergy. In Asia, rates differ widely, from 0.14 percent in India to 1.5 percent in Hong Kong. Children born in Hong Kong show higher allergy rates than those who immigrated from mainland China, suggesting that early-life environmental exposure affects immune tolerance. These differences point to one major player: the gut , which regulates how the body interacts with its environment. The Gatekeeper’s Failure: How a Leaky Gut Opens the Door to Allergies T...
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