Inductive Reasoning works by moving from specific observations to generalizations and theories, known as the bottom up approach. Beginning with observations and measurements, patterns are looked at to form hypotheses, which are then developed into conclusions or theories.
Deductive Reasoning works just the opposite, from the more general to the more specific, the above down approach. Beginning with a theory, deductive reasoning works to confirm that theory. Aristotle summarized the principle of holism with the saying, “The Whole is more than the sum of its parts.” This is true for the human body. If a person who is considered dead has all of the parts that make up a human being, why are they not alive? If you take someone who dies of heart failure and put a new heart in them, will they come back to life? Of course not, because the whole is greater than the sum of the parts. The complex system that makes up the human body cannot be explained by reducing it to it's fundamental parts. We cannot keep thinking that we are smarter than our own bodies. By taking medications which alter the chemistry of our bodies we are messing with a complicated system that after hundreds of years of studying we still haven't even begun to understand.
Although sickness and disease are common, they are not normal. Our body is meant to be in a state of health. Sickness and disease do not occur randomly, no one gets sick by accident. When imbalance is allowed to occur in your body, order turns to chaos and disease results.
Epidemiology, the science that studies outbreaks of disease, explains that the existence of disease depends on three factors: 1. the host (the person who is the target of the disease), 2. the agent (the cause of the disease), 3. the environment (where the host and agent come in contact). This explains why two people can come in contact with the same bacteria/virus and only one of them gets sick. The one who did not get sick had a stronger healing system, a stronger host resistance. Just because we come in contact with an agent of disease does not mean we will fall victim to it, and although we cannot always avoid exposure to a disease causing agent, we can build up our bodies' defense system so attacks will be less successful. If we shift the focus from studying bacteria/viruses, pharmaceuticals, and genetics, and instead focus on understanding how our bodies know how to defend and heal themselves, we will be much further along in learning how to prevent illness and heal disease.