Aside from their beauty and versatility, cranberries add awesome health benefits during this winter season, when you want to chase away the sniffles, coughs, and flu. Walnut Omega 3 Benefits And when you pair the cranberries with nuts, like walnuts, which are another fabulous harvest delight, you get a double benefit. Walnuts are a rich source of Omega 3 fatty acids that help to reduce inflammation in the arteries. In turn, walnuts help to reduce the risk of heart attack and stroke because they lower cholesterol, especially the LDL bad cholesterol.