Saturday, the 232 passengers -- who'd stayed aboard the Chicago-bound train, which had air conditioning and food -- had been taken off and put on buses so they could reach their final destinations, according to Kulm.

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Food was scarce and passengers sweltered in the heat with no air conditioning.

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And so the more they are exposing themselves to air conditioning, which leads to cooler temperatures, the less their food intake will be reduced in the hot summer months.

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It faces a class-action lawsuit related to the Triumph's last cruise, when passengers reported that food was scarce, cruise goers sweltered in the heat with no air conditioning, toilets overflowed and human waste ran down the walls in some parts of the ship.

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They had air-conditioning, shopping arcades where there was no haggling, and restaurants serving American food.

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Other passengers reported no air-conditioning inside cabins and an increasing stink inside the ship from sick passengers and a lack of food refrigeration.

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Add to these internal mechanisms the shame and negative social conditioning about weight and the deck is seriously stacked against people trying to control their intake of food.

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