Spiritual meaning of a running Left nostral

Asking about the spiritual meaning of a runny left nostril is asking about a tradition of interpretation, not about the body itself. There is no evidence in the retrieval that any such spiritual meaning is a real property of a left nostril that runs. What the evidence does show is that the two nostrils are physiologically different, and that difference is often what gets labeled.

The papers in this retrieval show a real, measurable asymmetry. The left and right nostrils control different branches of the autonomic nervous system: deliberate left-nostril breathing shifts the body toward a parasympathetic state, lowering heart rate and blood pressure [1]. The right nostril does the opposite, activating the sympathetic, fight-or-flight response [1]. This is not a spiritual claim. It is a physiological fact with heart rate variability measurements behind it. One case study also found that a patient in a psychotic state had more hallucinations during periods of left-nostril airflow dominance [2], which fits the pattern: the left nostril is wired differently into the brain than the right.

So if someone notices a runny or congested left nostril, they are observing a real lateralization. The spiritual traditions that assign meaning to it, like the yogic ida and pingala channels, are labeling that real physiology. The "meaning" is that you are in a particular autonomic state: more parasympathetic, more restorative, less outwardly engaged. That is a description, not a prophecy.

My call: the runny left nostril itself has no spiritual power. The lateralization it signals is real. Whether you call that "the calming energy of the moon channel" or "a shift in your autonomic balance" is a matter of language, not a matter of fact. Confidence: high on the physiology, and not in scope to assign a confident rating to a spiritual claim the evidence does not test.