One of the simplest way to confuse humans is to train them to not trust their intuition. The intuition has the ability to detect patterns that break logic in subtle ways. It highlights gaps in our understanding and makes the more logical part of our thinking focus on those points to reach resolution of the tension the intuition created. The more complicated we make topics the less possible it is for this resolution to arise and confusion grows, fear grows, unease grows, disease grows and the ability to use those negative states against us grows.
Calm down, listen to the intuition and research all side of the information available that contributes to the understanding and you will suddenly find yourself understanding much more than before and feeling more at ease than before.