The BBC recently printed a story describing a rare condition called mal de debarquement which causes dizziness , typically after a boat cruise, though can occur with airplane flights and even a long drive in a car with switchbacks (going up/down a mountain). Two signs that a patient has mal de debarquement are if they feel a rocking sensation for weeks or months starting AFTER a cruise and two, if they're much better when in motion like vigorous exercise, but feel much worse when sta…