How does homocysteine affect the risk for coronary artery disease (CAD)?

Updated: Mar 30, 2020
  • Author: F Brian Boudi, MD, FACP; Chief Editor: Yasmine S Ali, MD, MSCI, FACC, FACP  more...
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Answer

Answer

Homocysteine is a natural by-product of the dietary breakdown of protein methionine. In the general population, mild to moderate elevations are due to insufficient dietary intake of folic acid. Homocysteine levels may identify people at increased risk of heart disease, but again, due to the lack of agents that effectively alter the homocysteine levels, studies have not shown any benefit from lowering the homocysteine level.


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