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We Have Specific Fruit and Vegetable Receptors

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According to a current survey, the variety of Americans adults who say they’re eating ‘pretty much whatever they want’ is at an all-time excessive,” which unfortunately consists of “too few fruits and vegetables,” in addition to “too little variety.” Half of all fruit servings are taken up by simply six foods: orange juice, bananas, apple juice, apples, grapes, and watermelons. Only five meals—iceberg lettuce, frozen potatoes, recent potatoes, potato chips, and canned tomatoes—make up half of all vegetable servings. We’re not solely eating too few fruits and veggies. We’re additionally missing out on the healthiest fruits, which are berries, and the healthiest vegetables, which are dark green leafies. The fruit and vegetable palette for our palate is sadly lacking.

Why does dietary variety matter? As I talk about in my video Specific Receptors for Specific Fruits and Vegetables, totally different foods might have an effect on totally different problems. Cabbage, cauliflower, broccoli, and Brussels sprouts are associated with lower danger of colon cancer within the middle and right aspect of our body, whereas danger of colon most cancers further down on the left aspect of our physique seems to be better lowered by carrots, pumpkins, and apples. So, “different F/V [fruits and vegetables] may confer different risks for cancer” of different elements of even the same organ.

Variety is the spice of life—and might extend it. “Independent from quantity of consumption, variety in fruit and vegetable consumption may decrease lung cancer risk,” which means if two individuals eat the same number of fruits and vegetables, the one eating a higher selection may be at decrease danger.

It’s not just cancer danger. In a research of hundreds of men and women, a larger quantity of vegetables and a higher variety might independently be useful for decreasing the danger of sort 2 diabetes. Even after removing the consequences of quantity, “each different additional two item per week increase in variety of F&V [fruit and vegetable] intake was associated with an 8% reduction in the incidence of T2D [type 2 diabetes].” Why? Well, it “may be attributable to individual or combined effects of the many different bioactive phytochemicals contained in F&V. Thus, consumption of a wide variety of F&V will increase the likelihood of consuming” extra of them.

“All the vegetables may offer protection…against chronic diseases,” but “[e]ach vegetable group contains a unique combination and amount of these [phytonutrients], which distinguishes them from other groups and vegetables within their own group.” Indeed, because “each vegetable contains a unique combination of phytonutriceuticals (vitamins, minerals, dietary fiber and phytochemicals), a great diversity of vegetables should be eaten…to get all the health benefits.”

Does it matter, though, if we get alpha-carotene or beta-carotene? Isn’t an antioxidant an antioxidant? No. “It has been shown that phytochemicals bind to specific receptors and proteins” in our our bodies. For instance, our physique appears to have a green tea receptor—that’s, a receptor for EGCG, which is a key element of green tea. There are binding proteins for the phytonutrients in grapes, onions, and capers. In my video The Broccoli Receptor: Our First Line of Defense, I speak concerning the broccoli receptor, for example. Recently, a cell surface receptor was identified for a nutrient concentrated in apple peels. Importantly, these target proteins are thought-about indispensable for these crops meals to do what they do, but they will solely do it if we truly eat them.

Just like it’s higher to eat an entire orange than simply take a vitamin C capsule, because, otherwise, we’d miss out on all the opposite fantastic things in oranges that aren’t in the capsule, by just eating an apple, we’re additionally lacking out on all the fantastic issues in oranges. When it comes to the distinctive phytonutrient profile of every fruit and vegetable, it really is like comparing apples to oranges.

This is likely one of the reasons I developed my Daily Dozen guidelines of foods to incorporate into one’s routine. Download the free iPhone and Android apps, and be sure you watch my video Dr. Greger’s Daily Dozen Checklist.

I talk about how produce selection—not simply high quality and amount—may be essential in Apples and Oranges: Dietary Diversity and Garden Variety Anti-Inflammation, so I hope you’ll examine them out. You also can study extra about why combining sure foods together may be more useful than eating them separately in Food Synergy.

In health,
Michael Greger, M.D.

PS: If you haven’t yet, you possibly can subscribe to my free movies here and watch my reside, year-in-review shows:

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