Relying solely on the intellectual mind generally causes confusion for the average person. This is because there is so much information out there and on top of that, so much of the information is conflicting.
Everyone has an idea of what is best for you. There are many experts on the right foods to eat, the foods to avoid, what exercise is best, what meditation is best for you, what alternative doctor to choose, etc. With all of this conflicting information it is no wonder why many are