Processed honey is widely available in the market place, and so you get to consume it regularly. This type of honey is treated with heat, and that changes the properties of the original substance.
Raw honey gives your body vitamin B2, vitamin B6 and iron. It is an antioxidant and detoxifier, and helps improve the functioning of your digestive system. None of these properties is present in processed honey.
Furthermore, the sugar that raw honey provides is simple, so it needs not be processed by your body. It also has nutrients essential for the body.
However, despite all these properties, some advise that children under two years not to consume raw honey, as their immune system is not ready to receive some of its components.