It's a tricky time for consumers, because the answer depends on the food — and some are losing trans fat only to hae another artery clogger take its place, that old nemesis saturated fat.

消费者需对此机警对待，因为答于食物──一些仅仅用那古老的有害肪——另外一个动脉阻塞者来代替反义肪的位置。