In a 2011 study, for instance, people who drank the same 380-calorie(卡路里) milkshake on two separate occasions produced different levels of hunger-related hormones (荷尔蒙), depending on whether the shake's label said it contained 620 or 140 calories.
出自-2013年12月阅读原文
英语六级真题
The bottom line here is the more fiber you eat, perhaps, a lower level of hormone in your body, and therefore, a lower lifetime risk of developing breast cancer.
2017年6月六级真题（第二套）听力 Section B
The finding points to longstanding evidence that fiber may reduce circulating female hormone levels, which could explain the reduced risk.
2017年6月六级真题（第二套）听力 Section B
柯林斯高阶英汉双解学习词典释义
N-COUNT
激素;荷尔蒙
A hormone is a chemical, usually occurring naturally in your body, that makes an organ of your body do something.