Higher blood levels were linked to a long-term lung disease below 135 nmol/L, but the link disappeared above that level.
The study examined [Methylmalonic Acid (MMA)](/biomarkers/nutrients/methylmalonic-acid-mma) in 5,139 adults from a US
A buildup inside cancer cells helped stomach cancer spread to the liver in mice.
The substance was [Methylmalonic Acid (MMA)](/biomarkers/nutrients/methylmalonic-acid-mma). The study combined lab tests, gene data from people with stomach c