Health & Fitness

New research led by Mass General Brigham reveals that people facing social challenges—like food insecurity, financial strain, and limited healthcare access—are two to three times more likely to develop long COVID.

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Lupus, a relentless autoimmune disease, appears to mellow with age. While it aggressively targets organs with runaway interferon signaling in younger adults, researchers at UCSF have found that the aging process itself may naturally tone down these immune system attacks. By comparing immune markers across age groups, the team discovered that lupus patients actually show decreasing inflammation as they grow older, in stark contrast to typical “inflammaging.” This surprising twist opens the door to new age-targeted treatments and raises hope for managing not just lupus, but other inflammatory conditions as well.

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Head and neck cancer, notoriously hard to treat, might have a new weakness—timing. Researchers discovered that syncing radiation and immunotherapy in just the right way can make tumors disappear in mice. By protecting the body’s immune system hubs, they’ve unlocked a potentially powerful method to fight aggressive cancers more effectively. Clinical trials are already underway, hinting at a new era in cancer treatment.

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Could popular diabetes and weight loss drugs like Ozempic actually protect your brain from stroke damage, or prevent strokes altogether? Three new studies presented at a major neurosurgery conference suggest they might.

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In a fascinating twist, Mayo Clinic researchers discovered that a sugar molecule cancer cells use to hide from the immune system might also protect insulin-producing beta cells in type 1 diabetes. By engineering these cells with the same sugar molecule—sialic acid—they prevented immune attacks in lab models. This approach could lead to better transplant options without broad immune suppression, offering hope for millions living with the autoimmune disease.

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Scientists have discovered the oldest direct evidence of betel nut chewing in Southeast Asia by analyzing 4,000-year-old dental plaque from a burial in Thailand. This breakthrough method reveals invisible traces of ancient plant use, suggesting psychoactive rituals were part of daily life long before written records.

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Scientists at Kyoto University have developed a groundbreaking "lung-on-a-chip" that can mimic the distinct regions of human lungs—airways and alveoli—to study how viruses like COVID-19 affect them differently. Powered by isogenic induced pluripotent stem cells (iPSCs), the system offers a high-fidelity way to model personalized immune responses and test drug effectiveness. This innovation opens the door to precision medicine, deeper understanding of emerging viruses, and even modeling of other organs in the future.

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