Health & Fitness

Caffeine appears to do more than perk you up—it activates AMPK, a key cellular fuel sensor that helps cells cope with stress and energy shortages. This could explain why coffee is linked to better health and longer life.

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Keeping sex on the schedule may be its own menopause medicine: among 900 women aged 40-79, those active in the last three months reported far less dryness, pain, and irritation, while orgasm and overall satisfaction stayed rock-solid despite dips in desire and lubrication. The results hint that intimacy itself can curb genitourinary syndrome of menopause, a cluster of estrogen-related symptoms that erode quality of life.

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Washington University researchers found that raising a molecule called ApoM helps eye cells sweep away harmful cholesterol deposits linked to age-related macular degeneration, potentially preventing vision loss, and the same trick might aid failing hearts too.

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Scientists have uncovered a stealthy tactic used by the SARS-CoV-2 virus: one of its proteins can leap from infected cells to healthy ones, effectively tricking the immune system into attacking the body’s own tissues.

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Recycled plastic pellets can release a hidden mix of over 80 chemicals into water, disrupting hormones and fat metabolism in zebrafish larvae. Researchers warn that unknown and toxic additives make current recycling practices dangerously unpredictable.

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Colistin, a last-resort antibiotic, is losing its power due to rising resistance—and the culprits might be hiding in your seafood dinner. A University of Georgia research team discovered colistin-resistance genes in bacteria found in imported shrimp and scallops from markets in Atlanta. These genes can hop between bacteria via plasmids, potentially turning once-curable infections into deadly threats.

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Fresh concerns have emerged about the platelet studies underpinning the FDA approval of ticagrelor, AstraZeneca's multibillion-dollar heart drug. A new BMJ investigation reveals data discrepancies, missing lab readings, and questions about the integrity of the trial process. Notably, key results reported in a major cardiology journal were inaccurately presented, and some study contributors were omitted or denied involvement. With generics on the horizon, critics say these revelations highlight potential dangers, including severe rebound effects and bleeding risks, that were never properly disclosed.

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