While it is common to see scientific studies on how health can be improved by using certain, particular supplements of vitamins and minerals it is not the same for the real McCoy. How true? Ask yourself and do a goggle search (or a PUB Med or any advanced search of scientific articles) about how many times you see a study–any study–on a particular fruit or vegetable that comes out proving some health improvement. Not a group, but a particular fruit or vegetable. And proof of health, not disease (this is an important distinction). We are talking about real science here not just made up stuff from some science nut or health nut. And we are talking about real fruits and vegetables like a particular apple or broccoli as opposed to a group of fruits or vegetables. In other words we are talking about something very concrete and not at all abstract–this is where real scientific study comes in very handy: such study is not abstract or it is not science. And, importantly, if I can prove it and you cannot, it is not scientifically provable. Period. How many? Which vegetable? Which fruit? There are plenty of promoters of eating fresh fruits and vegetables and many of them provide solid credentials like the Harvard, Tufts, Eat 5 a day, and so on (for a really good goggle search try vegetables and health or fruits and health).
For example, the Harvard site cites the latest dietary guidelines that, “call for five to thirteen servings of fruits and vegetables a day, depending on one's caloric intake. For a person who needs 2,000 calories a day to maintain weight and health, this translates into nine servings, or 4½ cups per day.” The citation for this is The USDA, the U.S. Department of Agriculture. It is a helpful abstraction but not a particular guide to particular fruits and vegetables and how they can promote your health. But most of what these prestigious institutions promote is air–no scientific studies demonstrating the health effects of a single fruit or vegetable could be found on the Harvard site, not one. True, it's nice air, but air nevertheless. Now we are not talking about the genuine research on fruits and vegetables like this one listed in Pub Med, “Electron beam and gamma irradiation effectively reduce Listeria monocytogenes populations on chopped romaine lettuce”, (J Food Prot. 2006 Mar;69(3):570-4, for those who need to know) .
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Tags: fruits, healthy eating, vegetables, vegetables and fruits