Sometimes a snack quiets your growling stomach. But sometimes you just feel like munching, even though you’re not really hungry.
有時,吃點零食可以讓咕咕叫的肚子安靜下來。但有些時候,盡管你并不餓但還是想吃點東西。
French researchers recently found that this second type of snack attack is harder on your waistline.
法國研究人員最近發現,第二種情況容易導致肥胖。
That’s because when you eat without being hungry, blood sugar and insulin work differently than when you are hungry.
這是因為當你在不餓時進食,體內血糖和胰島素的變化與饑餓時候是不同的。
First, let’s see what happens when you’re hungry. Low blood sugar can trigger that hungry feeling.
首先,讓我們看看當你饑餓時的情況。低血糖會讓你產生饑餓感。
When you eat, your blood sugar rises, satisfying your hunger and prompting your pancreas to secrete insulin.
當你進食時,體內的血糖會上升,緩解你的饑餓感并促使胰臟分泌胰島素。
Insulin’s job is to transport sugar from the bloodstream into your body cells.
而胰島素負責把血液中的糖分輸送到體內的細胞中。
Hours later, after insulin has moved enough sugar into the cells and leveled off, your blood sugar dips and you feel hungry again.
幾小時后,當胰島素把充足的糖分輸送到細胞內并趨于穩定時,你的血糖會下降,然后你又會感到饑餓。
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