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Australia is currently experiencing its largest diphtheria outbreak in living memory, with cases soaring in remote Indigenous communities. The outbreak has been particularly severe in remote areas where a combination of factors has created conditions for rapid transmission. Healthcare worker shortages—affecting both doctors and nurses—have strained the ability

A new study from UC San Francisco raises questions about whether current vitamin B12 guidelines are sufficient to protect the aging brain from cognitive decline. What the Research Found Researchers discovered that older adults whose B12 levels fall within the "normal" range — but sit on the lower end