Excessive-intensity train might dampen cravings for fatty meals

The attract of of a donut or hamburger can take a look at the resolve of even the strictest of dieters, however a brand new research has hinted at new instruments that may assist us resist the temptation. The analysis explores how train can scale back cravings for fatty meals, demonstrating in rodents how bouts of high-intensity exercise can dampen these tendencies and promote more healthy consuming.

Carried out by scientists at Washington State University, the research focuses on what’s termed “incubation of craving,” which refers to the idea that the longer we are denied something, the more we crave it. Originally coined by scientists studying cocaine addiction, in the context of dieting it might mean it is harder to say no to ice cream and french fries the longer we go on eating kale and celery.

The scientists set out to explore the potential of exercise to help us ignore cues that can lead to unhealthy eating. This might be a TV ad for hamburgers that has us picking up the phone to place an order or a billboard that has us headed for the drive-thru. To do so, the team trained rats to seek out high-fat food pellets by pressing a lever, which turned on a light and made a tone to act as a cue before dispensing.

The rats were placed on a 30-day diet with no access to the pellets and split into two groups, one made to undergo regular high-intensity treadmill running and one left to just carry out their regular activity. After the dieting period had concluded, the rats were giving access to the lever once again, but this time it didn’t dispense pellets when pressed and only turned on the light and sounded the tone.

The non-exercise group of rats were then found to press the levers significantly more than the group that exercised, suggesting the extra physical activity had suppressed their cravings for the high-fat food. The results raise some interesting possibilities, but scientists do emphasize this research in rodents is still in its early stages. The next steps are to focus on the effects of different types of exercise on the “incubation of craving,” as well as the mechanisms at play in the human brain.

“Exercise is beneficial from a number of perspectives: it helps with cardiac disease, obesity and diabetes; it might also help with the ability to avoid some of these maladaptive foods,” stated corresponding creator on the research Travis Brown. “We’re always looking for this magic pill in some ways, and exercise is right in front of us with all these benefits.”

The analysis was revealed within the journal Obesity.

Source: Washington State University

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