a rust-choked pipe. Pressure climbs in one block, then another, and eventually the whole grid starts rattling. GetHealth Tips
Muscle cramps, especially at night, often show up in that same mess. A calf locks hard while you are trying to sleep, or your foot twists into a knot that feels like it was wired by someone angry.
That happens when the mineral balance shifts and the nerves start firing out of rhythm. The body is trying to run a live electrical grid with half the transformers burning out.
And here