Blood Clots, Jim Fixx, and Outrunning Your Genes

As part of a recent routine physical, I got some blood work done and tested positive for a mutation of the methylenetetrahydrofolate reductase (MTHFR) gene, which encodes the enzyme of the same name. MTHFR is a key enzyme involved in the metabolism of folate, which is involved in the production of red blood cells. Genetic […]

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