One-carbon metabolism encompasses the folate and methionine cycles that shuttle single-carbon units from serine, glycine and formate into biosynthetic and regulatory pathways. In cancer cells, this ...

I was in a café the other day when I heard a woman say she’d been diagnosed as B12-deficient. “Really?” I said. “Me, too!” I’m a meat eater, but it’s often vegans who are afflicted since B12 is only ...