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Why You Should Eat Two Apples a Day

The old saying that eating an apple a day will keep the doctor away may have some scientific basis after all, as scientific literature is packed with findings that vouch for this fruit's healthful benefits.

Posted on: Saturday, September 12th 2020 at 2:00 pm
Written By: GreenMedInfo Research Group

A 2020 study points to apples' ability to mediate significant gut microbial metabolic activity. All it takes: two apples a day. In light of the increasing link between gut microbiota and human wellness, this new association is worth exploring and further vouches for this fruit's superfood and super healer status.

The old saying that eating an apple a day will keep the doctor away may have some scientific basis after all, as scientific literature is packed with findings that vouch for this fruit's healthful benefits.

Showing that the saying above goes beyond folk medicine fantasy, a study found that eating one apple a day for four weeks translated to lower blood levels of oxidized low-density lipoprotein//beta2-glycoprotein I complex, which may contribute to atherosclerosis, by 40% among healthy, middle-aged individuals.[i]

Apple consumption has also been the subject of a few studies on reducing cancer risk, including liver cancer, breast cancer and esophageal cancer.[ii] A study published in February 2020 points to apples' ability to mediate significant gut microbial metabolic activity. All it takes: two apples a day.

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Study Findings

Apples are a frequently consumed fruit and a reliable source of polyphenols and fiber, an important mediator for their health-protective effects.[iii]

Validated biomarkers of food intake (BFIs) have recently been suggested as a good tool for assessing adherence to dietary guidelines. New biomarkers have[iv] surfaced in recent decades from metabolic profiling studies for different foods, yet the number of comprehensively validated BFIs remains limited.

BFIs offer an accurate measure of intake, independent of the memory and sincerity of the subjects as well as of their knowledge about the consumed foods.[v] They overcome food intake measurement with inherent limitations, such as self-reported dietary intake questionnaires, as they objectively assess food intake without biased self-reported assessment.

The researchers sought to identify biomarkers of long-term apple consumption, exploring how the fruit affects human plasma and urine metabolite profiles. In their randomized, controlled, crossover intervention study, they recruited 40 mildly hypercholesterolemia patients and had them consume two whole apples or a sugar and energy-matched beverage daily for eight weeks.

At the end of the trial, they found 61 urine and nine plasma metabolites that were statistically significant after the whole apple intake compared to the control beverage. The metabolites included several polyphenols that could serve as BFIs.

Interestingly, the study allowed the group to explore correlations between metabolites significantly modulated by the dietary intervention and fecal microbiota species at genus level -- specifically interactions shared by Granulicatella genus and phenyl-acetic acid metabolites.

"[T]he identification of polyphenol microbial metabolites suggests that apple consumption mediates significant gut microbial metabolic activity which should be further explored," they wrote.[vi]

Gut Health Affects Your Whole Body

The link between the gut microbiota and human wellness is being increasingly recognized, where it is now well-established that healthy gut flora is a key part of your overall health.[vii]

Previous studies corroborate that the richness of the human gut microbiome correlates with metabolic markers. In a study on 123 non-obese and 169 obese Danish individuals, a group of scientists found two distinct groups displaying a difference in the number of gut microbial genes and thus the richness of gut bacteria in the two groups.[viii]

Individuals with a low bacterial richness had more marked overall adiposity and insulin resistance, for instance, compared with high bacterial richness subjects. The obese subjects among the lower bacterial richness group also tended to gain more weight over time.

A series of largely pre-clinical observations showed, too, that changes in brain-gut-microbiome communication may be involved in the pathogenesis and pathophysiology of irritable bowel syndrome, obesity and several psychiatric and neurologic disorders.[ix]

Additional Apple Benefits

More benefits of apple intake are coming out of the medical literature, confirming its superfood and super healer status that shouldn't be missed out on.

These benefits include addressing common issues such as aging (reduced rate), allergies, alopecia or hair loss, diarrhea, insulin resistance, radiation-induced illness, and Staphylococcal infection. In the area of cancer treatment, apples have been found to both prevent and suppress mammary cancers in the animal model, while carotenoids extracted from the fruit have been found to inhibit drug-resistant cancer cell line proliferation.[x]

The GreenMedInfo.com database contains 156 abstracts with apple research, scrutinizing the health benefits of apples and their related compounds.

© [9/12/2020] GreenMedInfo LLC. This work is reproduced and distributed with the permission of GreenMedInfo LLC. Want to learn more from GreenMedInfo? Sign up for the newsletter here //www.greenmedinfo.com/greenmed/newsletter.

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Pedagogy author, Brooke Lounsbury, has written two onine continuing education classes that are great resources for digestive health and probiotics. Click on the course links below to view the full course descriptions.

Probiotics - 1.5 contact hours

Probiotics have been receiving a lot of attention recently.  Probiotics (pro- meaning “good” and biotic- meaning “living”) were discovered by Russian scientist and Nobel Prize winner, Elie Metchnikoff of the Pasteur Institute in Paris.

In 1907, working in Bulgaria, Metchnikoff was intrigued as to why certain inhabitants of the Bulgarian population lived much longer than others. Discovering that villagers living in the Caucasus Mountains were drinking a fermented yogurt drink on a daily basis, his studies found that a probiotic called Lactobacillus bulgaricus improved their health and may have helped the longevity of their lives. His research prompted him and others to look further into probiotics, leading scientists to discover many types of probiotics such as Lactobacillus acidophilus, Saccharomyces boulardii, and Bifidobacterium infantis; all of which have various properties and can have different effects on the body. From treatment of diarrhea to candida overgrowth to irritable bowel and Crohns disease to research on how probiotics are intimately connected with mental health and cancer, probiotics are finally in the limelight. As more and more has been discovered about probiotics and their amazing health benefits, this microbe is a powerhouse of health giving properties.

A Holistic Approach to Gut Health

There has been recent rediscovery into how important digestive health is to our overall health. It has been said that all health starts in the gut. This is very true on many levels. Our bodies cannot perform without the intricate dance of chemical, hormonal and physical interactions that take place every second within our digestive system. Recent discoveries have led to the emergence of mental health and the gut brain axis. There is a two way communication that takes place between our gut and brain. Even low grade inflammation can interrupt this delicate balance. Probiotics that travel along the vagus nerve have been recently discovered to contribute to mental health. Autoimmune diseases are exacerbated by poor gut health and low grade inflammation and gut dysbiosis. Stress profoundly effects our gut health and dramatically alters the chemical balance found within our gut. Even respiratory illness, rotavirus and some forms of cancer have benefited from the use of probiotics to bring our gastrointestinal system into balance. This course is designed to educate on the anatomy, physiology and of the digestive system, along with explanations of probiotics, enzymes and their use, a short description of leaky gut and the 5 Rs of the functional medicine model to restore gut health.

Pedagogy's courses are available for purchase by the individual or facility. For individuals, register with us to create your log in and password, click on the course title of interest and then click the Buy Now button. For a complete listing of all our online continuing education courses click here.

For facilities or institutions that would like to purchase education for their entire staff, email sales@pedagogy-inc.com and let us know the course(s) of interest and how many staff members you need to provide education for, and we will be happy to send you a price quote.

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