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After a delicious feast, the last thing many people want to do is exercise. Food is sloshing inside a bloated belly, and sleepiness is setting in. A nap seems like the right move. But while it might feel good at the time, there is another activity you should probably be doing instead: walking.

Between Thanksgiving and New Year’s Day, there are many opportunities for feasting on seasonal foods. Family gatherings may feature that one aunt who sighs after cleaning her plate before saying, “Who’s up for a nice, brisk walk?” Everyone is entitled to their own responses to this ambitious, well-meaning aunt, but there’s something to getting some movement after eating.

A Turkey Trot 5K isn’t the first thing most want to do after a few plates of festive carbs. Nobody needs to do a 5K, though, or even what’s conventionally considered exercise. Just a little light movement is enough.

Science in action — In February 2022, a meta-analysis published in the journal Sports Medicine examined seven studies on how walking after a meal impacted glucose levels. Of those seven, the researchers also looked at four for insulin levels and three for blood pressure. The studies looked at how post-meal glucose metabolism varied based on whether one spent time sitting, standing, or walking in a lab setting.

These researchers gleaned that across these studies, both standing and walking improved one’s glucose metabolism after eating compared to sitting for a while. The novel finding — they write in the paper — is that even standing has benefits. However, a gentle walk assuaged glucose levels far more than standing did. In fact, the difference between sitting and standing’s impact on blood glucose levels was slight.

Overall, they found that even walking for even two minutes after a meal tempers blood sugar.

Why it’s a hack — A few things happen in the body after a meal. Blood diverts to the organs that aid in digestion and nutrient absorption. With more blood coursing through the digestive system, less oxygen circulates through the rest of the body. Going for a walk improves circulation because all your muscles require blood.

“Now you’re telling the body, ‘Wait a minute, we need the blood in the muscles deliver oxygen to help you ambulate,” Steven Malin, an endocrinology and metabolic health professor at Rutgers University, tells Inverse. Going for a walk doesn’t detract from the digestive process but helps create balance in the body, Malin says. He adds that walking after a big meal reduces gastrointestinal issues because movement makes the body absorb food’s nutrients more quickly.

On this note, the meta-analysis posits that the greater benefits on glucose and insulin levels from walking than standing come from the intensity and frequency of muscular activity. In other words, exercising our muscles is part of the biological pathway that mediates glucose and insulin levels.

Our bodies also produce a flurry of hormones. Especially after a large mea

l, feel-good chemicals like serotonin and dopamine will float around, but with that good feeling comes drowsiness. In contrast, cortisol, glucagon, and norepinephrine are the counter-regulatory hormones that energize us. These hormones send the body opposing signals, but seizing those hormones that offer a surge of energy can help head off sluggishness.

The body also more efficiently breaks down food when it doesn’t have a ton on its proverbial plate. Taking a walk right after Thanksgiving dinner offsets the total amount of calories the body must process later. Think of it like doing homework during a free period in high school, so you wouldn’t have as much to do at home that night.

How it affects longevity — Malin’s mantra is, “Any movement is good movement.” You don’t have to race a triathlon to reap the benefits of exercise. Everyone’s aunt might be suggesting a nice family walk, but other options include giving piggyback rides to any children present, wrestling with the cousins, or even doing some arm stretches with or without weights. Walking isn’t the only way to get the blood flowing.

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