通常认为盐使得体内水分蓄积而致体重增加,而悉尼大学的研究者提示,盐的作用不仅这一点。澳大利亚的研究发现,盐能有助于肠内食物的吸收,这会使得更多的糖由此释放;也可能盐刺激肠道从而对糖的吸收更为育效。不管盐以那种方式作用,它使同样食物量有更大的热量被身体所利用 Salt is commonly thought to cause body weight gain as a result of water build-up, and researchers at the University of Sydney suggest that salt does more than that. Research in Australia has found that salt helps in the absorption of food in the intestines, which causes more sugar to be released; it is also possible that salts stimulate the gut to be more effective at absorbing sugar. Regardless of the way salt works, it makes the same amount of food have a greater amount of heat to be used by the body