Health & Fitness

We get the lowdown from Apple on the latest features coming to watchOS 10 and iOS 17 that are set to change the way you look at cycling forever.

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The function of mast cells, which are part of the immune system, is still a mystery. Scientists have now shown in mice: mast cells function as a sensor that signals the animals to avoid antigens, including harmful allergens, and thereby protect themselves from health-threatening inflammatory reactions.

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Companion robots enhanced with artificial intelligence may one day help alleviate the loneliness epidemic. A new report maps some of the ethical considerations, and urges stakeholders to come together to rapidly develop guidelines for trust, agency, engagement, and real-world efficacy. The authors also propose a new measure for whether a companion robot is helping someone.

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Researchers have produced the most detailed and comprehensive human Heart Cell Atlas to date, including the specialized tissue of the cardiac conduction system -- where the heartbeat originates.

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Simply the smell of seafood can make those with an allergy to it violently ill -- and therefore more likely to avoid it. The same avoidance behavior is exhibited by people who develop food poisoning after eating a certain meal. Scientists have long known that the immune system played a key role in our reactions to allergens and pathogens in the environment, but it was unclear whether it played any role in prompting these types of behaviors towards allergic triggers.

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Although most people don't associate oral disease with serious health problems, increasing evidence shows that oral bacteria play a significant role in systemic diseases like colon cancer and heart disease. Now, new research shows a link between periodontal (gum) disease and the formation of amyloid plaque, a hallmark of Alzheimer's disease.

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