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Younger people with B12 deficiency might need shots less often

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(Also Read: Are my lab results affected by when and what I ate last night?) Blood tests also can help find potential problems at an initial stage, when treatments or lifestyle changes may work best

The interest traces to a 2014 Nature paper showing that knocking down NNMT in fat and liver protected mice against diet-induced obesity, glucose intolerance, and fatty liver, partly by shifting adipose NAD+ and SAM levels [4]