Background: We used an algorithm to determine age- and sex-specific reference intervals (RIs) for copper, zinc, calcium, magnesium, iron, and lead in blood. Data were collected from three health ...

WASHINGTON, Sept 22 (Reuters) - U.S. government agencies will be able to use Meta Platforms' (META.O), opens new tab artificial intelligence system Llama, a senior administration official said, as the ...

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Despite the rapid adoption of LLM chatbots, little is known about how they are used. We document the growth of ChatGPT’s consumer product from its launch in November 2022 through July 2025, when it ...