About medications that are drunk or applied to wounds it is worth learning from everyone; for people do not discover these by reasoning but by chance, and experts not more than laymen.
Even when all is known, the care of a man is not yet complete, because eating alone will not keep a man well; he must also take exercise. For food and exercise, while possessing opposite qualities, yet work together to produce health.
It is most necessary to know the nature of the spine. One or more vertebrae may or may not go out of place very much and if they do, they are likely to produce serious complications and even death, if not properly adjusted. Many diseases are related to the spine.
I have clearly recorded this: for one can learn good lessons also from what has been tried but clearly has not succeeded, when it is clear why it has not succeeded.
If we could give every individual the right amount of nourishment and exercise, not too little and not too much, we would have found the safest way to health.
