Having faith is another form of consciousness.
How many people say to themselves "oh god, i hope...blah blah......"?
Religion is founded from within most people and thrives upon what people are prepared to believe. There are many feelings that we experience as human beings, none can be explained other than they are either love, fear, hunger, excitement, etc.
If you are worried about your child, who is say, in a coma after a bad car accident, then many of us will be 'praying' that the child pulls through and make a full recovery. I defy anyone to say otherwise. Once you understand this then you can see where religions and faiths spring up.
Territorial battles are often blamed on religion whereby in reality religion simply defines the borders or the language.