Why Sanskrit sounds this way

Traditional Sanskrit reciters memorise texts of 40,000 to 100,000 words exactly. An MRI study of 21 professional Vedic reciters (Hartzell and colleagues, NeuroImage, 2016) found more grey matter and thicker cortex in language and memory regions, including the hippocampus, than in matched controls.

That was years of full-time training, and the study compared groups at one point in time, so it cannot say how much a few minutes a day would do, or whether Sanskrit itself matters more than memorising aloud in any language.

Reciting a mantra slows breathing to about six breaths a minute. A study in the BMJ (Bernardi and colleagues, 2001, 23 healthy adults) found that this steadied heart rhythms and improved a reflex that regulates blood pressure.

A small study of the breathing rhythm, which a prayer in Latin produced equally well. It is not a treatment for any condition.

Sanskrit uses five precise places in the mouth and separates breathy from dry, voiced from unvoiced. Training them gives you finer control of your tongue, lips and breath than everyday speech asks for.

You learn to hear differences English ignores, such as ṭa and ta, or short a and long ā. That makes other languages and accents easier to hear and copy.

Reciting a verse exactly, with the right length and pitch on every syllable, leaves no room for a wandering mind. It is attention training with immediate feedback.

Verse was the storage format: rhythm and sound make lines stick, so the ideas come with you. Saying a line aloud many times is how the tradition imprints both the sound and the sense.

Sanskrit is related to Greek, Latin and most European languages and is the source of much vocabulary in Hindi, Bengali, Marathi, Gujarati and others, so its roots unlock words across all of them.