A Healthy Gut = A Healthier You

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woman with hands over belly, healthy gut

A healthy gut is a vital component of your overall health.

Maybe you made a resolution to live healthier this year. Or maybe you’re just tired of feeling sluggish and generally not functioning at your best. Whatever your reasons, don’t forget to consider those trillions of little critters that work to keep you healthy everyday, your microbiome. A healthy gut is a vital component of your overall health.

We don’t give them much thought, but our microbes can have a powerful influence on our health, for better or worse. Recent research has begun to link the makeup of our microbiomes to a slew of health outcomes from obesity and related chronic diseases to depression. While plenty of research remains to be done, scientists now believe that these microscopic residents of our intestinal tracts may control how we convert food to energy, our mood, how our immune systems function (or misfire), and what diseases we get or evade.

Biologist Rob Knight, co-founder of  the American Gut Project and co-author of a new book, Follow Your Gut: The Enormous Impact of Tiny Microbes, explains: 

Researchers have linked microbes to all kinds of diseases we didn’t know they were involved in, from obesity to arthritis to depression, over the past few years.

Knight notes that this research is still in the early stages, that “we are just starting to understand how to guide what actions you should take to improve your microbes to improve health.”

While we can’t yet say for certain that eating A or B will lead to outcome Y or Z, research to date points to some basic guidelines that promote gut health. In a nutshell, the Standard American Diet (with the fitting acronym SAD), tends to decrease the diversity of our gut. Why is that a problem? Different microbes do different jobs, creating nutrients we need to thrive or neurotransmitters that affect our mood. If we’re lacking in certain kinds of microbes, we may find ourselves deficient in important compounds that help us ward off infection or manage stress.

According to Robynne Chutkan, MD, author of The Microbiome Solution:

There is a direct connection between species diversity in the gut and inflammation, allergy, obesity, autoimmune diseases and likely several other conditions.

Research suggests that the American diet’s overemphasis of meat and processed food has led to imbalances in our microbial communities that may contribute to the “epidemics” of obesity and concomitant health conditions.

What to feed a healthy gut?

If you want a healthier diversity of microbes in your gut, you need to feed your resident bugs things they like. If your diet currently consists mainly of burgers, white bread, and fruit loops, I have some bad news for you. Nope, not the good critters’ favorite eats.

Knight says the research thus far suggests that we should avoid white flour, sugar, artificial additives and highly-processed food in favor of minimally-processed “real food” such as whole grains, colorful fruits and veggies, and some more surprising choices like butter instead of margarine. Eating a diverse array of vegetables, fruits and grains looks like it’s important, too. Sticking with nothing but carrots and romaine lettuce is less likely to please your gut bugs than varying your choices pretty widely.

“Let food be thy medicine and medicine-2 (640x640)

Can’t I just take a supplement for a healthy gut?

Unfortunately, it looks like you can’t make up for a poor diet with a pill. While this attention to gut health has led to a rise in sales of probiotic supplements, according to Chutkan, the evidence isn’t there that supplements help populate the gut with good bugs. She cautions, “We can’t just replace lost bacteria with store bought ones.” Chutkan worries that a probiotic “lulls people into a false sense of security that they’re actually doing something, when they really should be focusing on the food.”

Some studies have suggested that certain strains of probiotics may help with particular conditions, but lots more research needs to be conducted before we can treat ailments using probiotics with certainty. Plus, no one’s checking that those pills contain what they say, so you may be wasting your money.

Some probiotic-containing foods could help if you work them into your otherwise gut-healthy diet. The “live cultures” found in fermented foods like pickles, sauerkraut and kefir may help repopulate a gut that’s been hit with a round of antibiotics or suffered too long from poor food choices.

Listen to this Green Divas Foodie Phile podcast episode, for easy, safe refrigerator pickles made from all kinds of veggies AND fruit.

But far more important than probiotics, it seems, are the fiber-rich foods called prebiotics. According to Chutkan, “Poorly digested plant fiber is the food that helps, not sugar-filled yogurts and other dairy products that may taste good, but don’t have enough live bacteria to really make a difference.” Instead, she says, focus on “fibrous plants like oats, asparagus, leeks, artichokes, lentils that are great for the microbiome” and consider adding kimchee, sauerkraut and non-dairy kefir for extra measure. The Green Divas have some smart suggestions about making the most of your produce purchases by using the stalks of many of your favorite greens.

Even if we’re not completely certain how all these complex processes affect disease and health, findings thus far support the plant-based, real food diet that nutritionists generally agree is better for us anyway than a processed, meat-centric one. Bonus: a plant-based whole foods diet is also far better for the planet.

Some of the healthy gut’s favorite…

 oats and whole grains
♦ lentils and beans
 leeks (especially the green part)
♦ onions
♦ celery
♦ asparagus
♦ artichokes
 sunchoke or Jerusalem artichoke (not really an artichoke, but an easy-to-grow perennial sunflower with an edible root)

…and some of their least favorite:

♦ artificial colors, sweeteners, and flavorings
 refined flour and sugar
 meat
♦ dairy

Need some inspiration to start eating more plants? Here are some suggestions:

Meatless Monday Recipes from the Green Divas
Forks Over Knives
Cooking Light Easy Vegetarian
Plant Based On a Budget
One Green Planet Vegan Meal Plans

Some interesting recent articles on microbiome research:

Gretel Schueller, “How Good Gut Bacteria Could Transform Your Health” (Eating Well)
Michael Pollan, “Some of My Best Friends Are Germs” (New York Times)
Caitriona M. Guinane and Paul D. Cotter, “Role of the gut microbiota in health and chronic gastrointestinal disease: understanding a hidden metabolic organ” (Therapeutic Advances in Gastroenterology)
Zhenjiang Xu and Rob Knight, “Dietary effects on human gut microbiome diversity” (British Journal of Nutrition)

Bonus:

Listen to the latest Green Divas Health & Beauty podcast for more tips on healthy living…

Catch the latest Green Divas Radio Show—and other green, healthy and free radio shows—daily on GDGDRadio.com (or get the GDGD Radio app)!

Photo: shutterstock.com

Conscious Consumer, Featured, GD Ticker, Green Diva Foodie-Philes, Green Divas Health & Beauty, Healthy Living, Natural Health

About the author / 

Green Diva Susannah
jsshmurak@gmail.com'

Green Diva Susannah (aka Susannah Shmurak) is a green-living aficionado and advocate for healthier, more sustainable lifestyles. She shares easy, practical tips about gardening, food, and low-impact living at her blog, HealthyGreenSavvy.com. For tips on making the healthiest food fit your budget, check out her FREE guide, Affordable Healthy Food.

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