There are many different ways that people choose to stimulate their brain activity. One of them that seems to be getting a great deal of attention these days is called aromatherapy. This involves lighting candles or heating up oils with various types of scents on them. These scents will trigger a variety of reactions from the brain that are positive in nature. Not everyone is a follower of such methods though because they are skeptical about such capabilities. There are other people though that will tell you that aromatherapy has changed many things in their thinking process for the better.