A protein found in milk is the latest treatment for stress. The protein, lactium, appears to have a calming effect on the body by lowering blood pressure and reducing levels of cortisol, a hormone released when the body is stressed.

最近，科學家在牛奶中發(fā)現(xiàn)了一種新的可以減緩壓力的蛋白質(zhì)，這種名為酪蛋白水解物的蛋白質(zhì)具有鎮(zhèn)靜作用，當人體處于壓力狀態(tài)下時，這種蛋白質(zhì)可通過降低血壓、降低皮質(zhì)醇（一種人處于壓力下腎上腺分泌出的壓力荷爾蒙）來有效緩解壓力。

Chronic stress is linked to a range of conditions, including depression and heart disease. Scientists first began studying the stress-busting qualities of milk over 20 years ago, spurred on by the observation that babies become calm and settled after feeding on milk.

慢性壓力和一定的健康狀況有關，如沮喪、心臟病?？茖W家們從20多年前就開始研究牛奶的這種減壓特質(zhì)，激勵科學家們這樣做的原因是嬰兒們喝完牛奶后就會變得平靜。

Tests suggested that a protein - casein - played a key role.

試驗結果顯示，這種名為酪蛋白的蛋白質(zhì)起了關鍵作用。

But adults, with their more mature digestive system, would need to drink impossibly large quantities of milk for the same benefit.

但是對于成年人來說，由于消化系統(tǒng)已經(jīng)成熟，要喝大量的牛奶才可能達到這種效果。