All About Eating Slowly

When you eat slowly, you digest better. You lose or maintain weight more easily. Yet you also feel more satisfied with each meal.

Conversely, if you rush your meals, your digestion suffers. Meals are stressful. And it might seem like each meal is over too soon, which often makes you want to eat more. Or you “overshoot the runway”, finishing the meal before your natural satiety signals kick in, and ending up suddenly — uncomfortably — overstuffed.

It’s simple: Slow down your eating and enjoy improved health and well-being.

The value of slow food

We’re a rushed, distracted, and too-busy society. Most people in North America eat fast. Really fast. We rarely take the time to savor our food… or sometimes even to chew it properly.

We rush our food no matter who we are. Even if you’re a nutrition coach with a Master’s degree in nutrition and many additional nutrition certifications. Like me.

For years, I wanted to gain weight. Eating quickly helped me do that. Shoveling down the food meant that I could sneak in a lot of extra calories before my stomach realized what was going on.

But now I’m older and simply trying to maintain my weight. I have to learn to eat more slowly again. It’s not always easy. But my wife and my waistline both appreciate it when I do.

And as I counsel my clients, learning to eat more slowly is one of the simplest yet most powerful things you can do to improve your overall health.

Why eat slowly?

Sensing satisfaction

One of the most important benefits of eating slowly is that it gives your body time to recognize that you’re full.

It takes about twenty minutes from the start of a meal for the brain to send out signals of satiety. Most people’s meals don’t even last that long!

Imagine the extra calories you could ingest simply because you didn’t allow your body time to register that it no longer required food. Now imagine the effect of those extra calories on your weight.

Eating slowly also helps us feel more satisfied — which is different than just being “full”.

When you slow down, savor a meal, pay attention to tastes and textures, and appreciate each mindful bite, you leave the table feeling good in your soul… even if all you ate was a baloney sandwich.

For more on this, see:

Improved digestion

Eating slowly also helps our digestion.

Think of digestion as a chain reaction. As soon as we see, smell, or think about food (step 1), we start salivating to prepare for putting that food in our mouth (step 2). Saliva contains enzymes that break the food down, and moistens the mouth for easier swallowing.

Meanwhile, digestive steps 3, 4, 5 etc. have to get ready to go to work. Our stomachs start to secrete more acid. Our small intestine starts to get ready for some peristalsis. And so forth.

If we rush this process, we force our GI tract to deal with stuff before it’s fully prepared. Surprises are great on birthdays, not so great during digestion.

At the University of Rhode Island, researchers examined how eating speed affected the early stages of digestive processing by observing 60 young adults eat a meal.

This means that not only are fast eaters putting more food down in a given amount of time, that food isn’t as well-processed. Food is essentially landing in fast eaters’ stomachs in big ol’ lumps.

Digestion starts in the mouth, so large bites that are inadequately chewed will be more difficult for your stomach to turn into chyme – the liquid mix of partially digested food, hydrochloric acid, digestive enzymes, and water that passes through the pyloric valve on its way to elimination.

Food that isn’t properly broken down into chyme can lead to indigestion and other potential GI problems. And who wants that?

Smaller portions – without trying

Most of the research on this topic suggests that eating slowly helps you to eat less. That’s especially useful information if you’re trying to lose or maintain weight.

In another University of Rhode Island study, researchers served lunch on two different occasions to 30 normal-weight women. The meal in both cases consisted of an enormous plate of pasta with a tomato-vegetable sauce and some Parmesan cheese, along with a glass of water.

At each visit, researchers instructed the women to eat to the point of comfortable fullness. But during one visit, they also told them to to eat as quickly as possible, while on the other visit, participants were asked to eat slowly and to put down their utensils between bites.

When the researchers compared the difference in food consumption between the quickly eaten lunch and the slowly eaten lunch, here is what they found:

That is 67 less calories in 20 more minutes!

If you extrapolate that to three meals per day, you can see how… erm… quickly… those extra calories could add up.

And here’s another interesting twist: When the women ate their lunch quickly, they reported more hunger an hour later than they did after their slowly eaten lunch.

So not only did eating quickly lead to greater food consumption, it actually satisfied the women less! Conversely, of course, slow eating meant less food but more long-lasting satisfaction.

Precision Nutrition Eat Slowly All About Eating Slowly

Better hydration

Good hydration helps maintain the balance of our body’s fluids, energizes muscles, helps our kidneys and bowels work more efficiently, and improves the appearance of the skin. And one side benefit of eating slowly is that it seems to increase water consumption during meals.

In fact, that same University of Rhode Island study compared the amount of water that the participants drank. When they ate slowly, the women drank 409 mL (about 14 oz) of water.  When they ate quickly, they drank only 289 mL (9.7 oz) of water!

Results like that have sometimes led scientists to wonder if drinking more water is what helps people to feel satisfied for longer.

So the University of Rhode Island researchers put this theory to the test. (By now you’ve probably noticed that URI is really into this slow eating research.) In a variation of their lunchtime study, they controlled water intake so that participants drank the same amount of water at each sitting.

In this version of the test, whether they ate slowly or quickly, the women consumed approximately the same amount of food.  And at the end of their meals, they also gave a similar appetite rating.

But an hour after the meal, those who’d eaten slowly reported less hunger and a lower desire to eat, with greater levels of satiety.

Researchers concluded that drinking more water might be key to helping us eat less during a meal.

But eating slowly seems to decrease hunger and lead to higher levels of satiety between meals.

Takeaway – eat slowly, drink more water, consume less food, and feel more satisfied! All-around win!

Is eating quickly really so bad?

Eating slowly may not be a perfect panacea for weight loss, but it will certainly help you with portion control and greater feelings of satiety.

Meanwhile, the research on eating quickly is pretty unanimous: Eating quickly promotes weight gain and makes you feel out of control of your eating habits.

Weight gain

Both large-scale population studies and research on smaller groups (such as fire fighters) who habitually eat quickly concur: Fast eaters gain more weight over time than slow eaters.

If weight loss or maintenance is your goal, slow down.

Disordered eating and eating speed

If you’ve ever experienced a binge episode, you’ll know the feeling — a powerful urge to get the food in there as fast as possible. Research shows that one of the hallmarks of binge eating is rapid eating speed.

People who suffer from compulsive eating often feel out of control of their eating behavior. After a binge or episode of over-eating, they feel guilty, ashamed, and regretful.

The good news is that you can often derail a binge or over-eating episode — and help yourself get back in the driver’s seat — simply by slowing down.

In fact, this is a technique we use in our coaching program: When you’re in the grip of a binge or an over-eating episode that feels overwhelming, just try to slow down as soon as you realize what’s happening.

You might not feel able to stop eating right away, and that’s OK. But most people can slow themselves down, even when the binge demons are howling.

It’s sort of like having someone call your name when you’re lost in thought and snap you out your daydream. This simple “binge slowly” strategy can often shift your attention, re-focus you, and help you regain a sense of control.

Conclusions

Most of us lead hectic, fast-paced lives, so it’s understandable that we might try to rush our meals. But eating quickly does us no favors.

When we eat too quickly we end up eating more than we need, which leads to poor digestion, weight gain, and lower satisfaction from eating.

Eating slowly, in contrast, makes for better digestion, easier weight maintenance – and much greater satisfaction from our meals.

Some helpful tips

Bonus

The first McDonald’s drive-thru was created in 1975 near Fort Huachuca — to serve soldiers who weren’t allowed to get out of their cars while wearing their fatigues!  Drive-thru sales now account for more than half of McDonald’s system-wide sales, adding up to billions every year. And you can bet that most of those customers are not on-duty soldiers.

Think about it. Wouldn’t you rather eat at-ease?

Eat, move, and live… better.

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References

Click here to view the information sources referenced in this article.