Emerging evidence in humans suggests a(typical) Western high-fat, high-sugar junk food diet can quickly weaken your brain's appetite control.
After offering volunteers a week-long binge (大吃大喝) of waffles, milkshakes and similarly rich foods, researchers in Australia found young and healthy ones scored worse on memory tests and experienced a(great) desire to eat junk food, even when they were already full.
The findings suggest something is special in the hippocampus (海马体)-a region of the brainsupports memory and helps to regulate appetite. When we are full, the hippocampus is thought to quieten down our memories of delicious food, thereby(reduce) our appetite. When it's interrupted, control can be seriously damaged. Over the years, extensive research on(mouse) has found the function of the hippocampus is very sensitive to junk food, but recently this has been observed only in young and healthy humans.
In 2017, after a week of Western-style breakfasts of(toast) sandwiches and milkshakes, researchers found participants performed worse on learning and memory tests which are typically dependentthe hippocampus.
Now, in this latest study the scientists of the team(find) that not only do such high-fat, high-sugar diets impair memory in humans, but they appear to directly affect our ability(control) our appetite.
