Repetition degrades signal. Claude Shannon — the mathematician who founded information theory in 1948 — showed that as a message becomes more predictable, it carries less actual information; the brain stops processing it as content and starts processing it as noise. This is why the fitness tip you've heard twenty times ('drink more water,' 'sleep eight hours') has almost no behavioral effect, not because it's wrong, but because its predictability has zeroed out its information value. Shannon's insight, applied to the advice you give patients about home exercise, lifestyle, and self-care, suggests a strange imperative: the moment a tip becomes automatic to deliver, it has likely become inaudible to receive. The most persuasive tip is the one the listener didn't see coming — not because surprise is a gimmick, but because novelty is the literal precondition for the brain registering a message as worth encoding. Try reconstructing one routine recommendation you give constantly, not to change the content, but to change the angle of entry — tell it as a consequence they haven't imagined, or a comparison they haven't been offered, rather than the standard phrasing. The tip stays true. The signal returns.

Pick one piece of advice you give routinely — to patients, staff, or yourself about fitness — and state it in a form you have never used before. What do you notice about whether you actually believe it more in the new form?

Drawing from Philosophy of Information / Mathematical Communication Theory — Claude Shannon (A Mathematical Theory of Communication, 1948)