An AST blood test measures levels of aspartate aminotransferase (AST) and helps determine liver function. Less than 40 IU/L is normal, but too much of this enzyme can indicate a problem, such as liver ...
Altered liver enzymes consistently were tied to Alzheimer's disease, an observational study of older adults showed. Aspartate aminotransferase (AST) to alanine aminotransferase (ALT) ratios were ...
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