You may have noticed some changes in your grandparents. As they get old, they start 1 things. And the older they get, the 2 things they will forget. For example, they may not be able to 3 where they left their glasses, or they may forget the names of their close friends. If you don't want to 4 memories very early, put down your sandwiches. A new study published in a science magazine shows that cutting calories can 5 people's (especially the old people's) memory.
Calorie restriction (热量限制) let lab animals live longer. And these 6 animals seemed to be 7. But it wasn't clear 8 it was the same with people.
In the latest 9, scientists asked 50 elderly women to 10 the number of calories they consumed (吃,喝) by a third. After three months, the 11 found that the women were not only 12, but they were better than they had been at 13 words — they remembered more words than ever, which suggested that keeping calories under 14 could help keep the brain 15.
In a word, the less you eat, the more you will remember.
