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Andean Soils Struggle to Recover Four Years After Major Wildfire
Researchers found severe soil degradation four years after a wildfire on Pichu Pichu volcano. Volcanic soils in arid Andean ecosystems lack fire adaptation, making recovery slow.

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Digestive Enzyme Defect May Trigger IBS Symptoms
Researchers identified genetic variants affecting sucrase, a key digestive enzyme, linked to IBS risk and symptom severity. Individuals with sucrase deficiencies reported more bloating, pain and diarrhea, suggesting sucrose intolerance.

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Brain Bleeds Increase Dementia Risk
Weill Cornell Medicine researchers have found that intracranial hemorrhages, or "brain bleeds" caused by a ruptured blood vessel in the brain, double a person’s risk of developing dementia later in life.

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Safety of Intermittent Fasting Questioned, Especially in Teenagers
Researchers have discovered that chronic intermittent fasting disrupted the development of insulin-producing beta cells in young mice. The findings raise concerns about potential risks for humans, especially teenagers.

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NMDA Receptor Discovery Advances Understanding of Ketamine’s Effects
Cold Spring Harbor Laboratory researchers confirm the existence of GluN1-2B-2D, a brain receptor targeted by ketamine. Using cryo-EM, they visualize how ketamine binds to the receptor, controlling its ion channel activity.

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Landmark Atlas Reveals How Aging Breast Tissue Shapes Breast Cancer Risk
Researchers at The Jackson Laboratory created an aging breast tissue atlas, revealing how genetic and molecular shifts may increase cancer risk. Changes in epithelial, immune and stromal cells create a tumor-friendly microenvironment.

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Blocking Light-Sensitive Brain Protein Reduces Eating in Mice
A light-sensitive protein found in the hypothalamus has been shown to regulate food consumption.

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Real-World Trial Confirms Accuracy of Automated Alzheimer’s Blood Test
A new blood test could replace the current invasive diagnostic method for Alzheimer's disease.

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Vehicle Tires Are the Largest Source of Nanoplastic Pollution in the High Alps
Researchers found nanoplastic contamination in Alpine glaciers, tracing the particles back to ocean waves and urban pollution. Using high-resolution mass spectrometry, the study revealed airborne plastics from France, Spain and the Atlantic Ocean.

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Trees Fail To Regenerate Fast Enough To Keep Pace With Climate Change
Tree ranges are generally contracting in response to climate change but not expanding into cooler, wetter climates – suggesting that forests are not regenerating fast enough to keep pace with climate change.
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