Taking a higher dose of folic acid during the first trimester of pregnancy was safe and associated with improved verbal abilities in children at age six as well as improved behavior skills, according ...

He's studying leucovorin, an inexpensive, generic drug derived from folic acid, also known as folate or vitamin B9. Leucovorin is currently prescribed to ease the side effects of cancer chemotherapy.

But sometimes a conservative approach is justified. For example, it wasn't that long ago that researchers thought folic-acid supplements might protect the heart or prevent cancer, a promise that ...