Note: All services in AngularJS are singletons. That means that the injector uses each recipe at most once to create the object. The injector then caches the reference for all future needs. Since a Factory is a more powerful version of the Value recipe, the same service can be constructed with it.
A healthy serving size is about 1 to 2 walnuts, per day. To add these wonder nuts to your meal, chop them in your whole grain cereal or make your own walnut butter by blending a few of them with some honey and cinnamon if you wish.
In an everyday diet that provided 2,000 calories and 30% of those calories from fat, this 50% standard for walnuts would mean about 67 grams of fat from walnuts or 4 ounces of this tree nut on a daily basis.