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 ...

The eyes are often said to be a window to the soul. This study suggests they may offer a better view of the mind. In A ...

Due to a gene mutation, about half of Americans may benefit from methylated vitamins for better health. Here are our best picks for methylated multivitamins for women.