Cambridge scientists created a gel that could end arthritis pain

Cambridge scientists have created a breakthrough material that can sense tiny chemical changes in the body, such as the increased acidity during an arthritis flare-up, and release drugs exactly when and where they’re needed. By mimicking cartilage while delivering medication, this smart gel could ease pain, reduce side effects, and provide continuous treatment for millions of arthritis sufferers.

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Brain fat, not just plaques, may be the hidden driver of Alzheimer’s

For decades, scientists believed Alzheimer’s was driven mainly by sticky protein plaques and tangles in the brain. Now Purdue researchers have revealed a hidden culprit: fat. They found that brain immune cells can become clogged with fat, leaving them too weak to fight off disease. By clearing out this fat and restoring the cells’ defenses, researchers may have uncovered an entirely new way to combat Alzheimer’s — shifting the focus from plaques alone to how the brain handles fat.

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Mushrooms evolved psychedelics twice, baffling scientists

Researchers found that magic mushrooms and fiber caps independently evolved different biochemical pathways to create psilocybin. This convergence shows nature’s ingenuity, but the reason why remains unknown—possibly predator deterrence. Beyond evolutionary mystery, the discovery provides new enzyme tools for biotech, with promising applications for producing psilocybin-based medicines.

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A hormone that silences the immune system may unlock new cancer treatments

Scientists have discovered that cancer uses a hidden hormone to switch off the body’s natural defenses, allowing tumors to grow unchecked. By uncovering this secret signal, they found a way to block it and restore the immune system’s ability to fight back. The breakthrough not only hints at powerful new cancer treatments but also suggests the same pathway could someday be used to calm autoimmune diseases.

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When cancer cells feel squeezed, they become more dangerous

New research shows that cancer cells don’t just grow; they adapt when stressed. When squeezed inside tissues, they transform into more invasive, drug-resistant versions of themselves. A protein called HMGB2 helps flip this dangerous switch, giving the cells new powers to escape. The findings reveal how the tumor’s environment itself can drive cancer’s deadly flexibility.

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Simple therapies outperform drugs for knee arthritis pain relief

A sweeping analysis of nearly 10,000 patients reveals that knee braces, hydrotherapy, and exercise stand out as the most effective non-drug therapies for knee osteoarthritis. Unlike common pain medications that carry risks, these low-cost and accessible options reduce pain, improve mobility, and could shift treatment guidelines toward safer, drug-free approaches.

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Clear skin in a week with this breakthrough acne patch

Researchers have created a two-stage acne patch with tiny arrowhead-shaped spikes that deliver healing compounds directly under the skin. Trials showed pimples vanished in seven days, and the technology may expand to treat other conditions.

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New breath sensor detects diabetes quickly and easily

Diabetes affects millions of Americans, and many don’t even realize they have it. Instead of relying on costly and time-consuming lab tests, scientists at Penn State have developed a breath sensor that can detect diabetes and prediabetes within minutes by measuring acetone levels. Built from laser-induced graphene and zinc oxide, the sensor is lightweight, inexpensive, and designed to overcome challenges like humidity in exhaled breath.

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