Why it matters: ALT and AST are key liver enzymes, and changes in their levels can indicate liver cell injury or other health issues. How they’re tested: Blood tests measure these enzymes, with ...

Your liver is working overtime right now, processing everything from your morning coffee to last night’s dinner, but it might be sending you desperate distress signals that you’re completely missing.

A new population-based epidemiological study has found that elevated liver enzymes discovered during routine medical care are associated with higher future mortality. The findings are in the March ...

Routine blood tests are increasingly identifying abnormal liver enzymes in those who otherwise seem to be in perfect health. According to experts, while the presence of slightly increased liver ...

Dear Dr. Roach: I’m a 65-year-old male. On my recent semiannual checkup, my labs showed an AST level of 53 U/L and an ALT level of 62 U/L. I am concerned about nonalcoholic fatty liver disease. In ...

Persistently elevated liver enzymes may be caused by certain types of cancer, including liver, colon, breast, stomach, pancreas, and skin cancers. Liver enzymes are proteins produced by your liver.

Dear Dr. Roach: I'm a 65-year-old male. On my recent semiannual checkup, my labs showed an AST level of 53 U/L and an ALT level of 62 U/L. I am concerned about nonalcoholic fatty liver disease. In ...