Methylenetetrahydrofolate reductase (MTHFR) is an enzyme that breaks down the amino acid homocysteine. If the MTHFR gene that codes for this enzyme mutates, it may contribute to health issues, such as ...

David Reif, now a biologist at NC State, realized his old paper had taken on a dangerous second life when he saw it cited—not in the scientific literature, but in a court case. This interest in MTHFR ...

MTHFR is the acronym for a gene (methylenetetrahydrofolate reductase) that produces an essential enzyme. The acronym for the enzyme is also MTHFR. It’s worth knowing about this gene because it plays a ...

Beth Skwarecki is Lifehacker’s Senior Health Editor, and holds certifications as a personal trainer and weightlifting coach. She has been writing about health for over 10 years. Did you know that a ...

Having two copies of the MTHFR gene mutation may raise your risk for certain health conditions, though more research is needed. You may have the mutation and not find out unless you undergo genetic ...