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exploring plant-based nutrition as an ancient biblical ideal

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Blog 7: Backward vs Forward?

by rambler on Dec 14, 2020 category animals, athlete, Creation, evolution, evolution, Genesis, god, human ancestors, human ancestors, myth, plant-based, poem, subdue, vegan, vegetarian, working the earth

Is the Genesis story meant to cause reflections and lamentations on the world as it was, in the “good old days”, and nothing more?  We often tend to read these stories as reflections on human history, stories to listen to in church or Sunday school, maybe memorize some characters from them for treats at the end of the lesson, then move on to Monday.  My general experience in American church is that these stories are reviewed briefly, but almost all focus of teaching is on the New Testament.  Maybe that is not ubiquitous in the USA, but I have noticed that.  Subsequently, I had fallen into that mindset as well, not really thinking much relevance of the Torah.  I would read it as part of a pursuit from the first to last page of the Bible, mostly without thinking of what it may be trying to say.

farmhouse

As Spencer points out, the idea of an era that is void of conflict and violence is common to religion, and that this is suggestive of an era of veganism or vegetarianism, in which life does not have to kill other life in order to ensure its survival.  He shares an opinion that this thread comes from a historical memory buried within the make-ups of early humans, who perhaps unknowingly inherited such a history.  These legends are meant as a reflection back toward that period of peace and tranquility, and the roles of them in religion are to allow us to have self-soothing visions of such a time and place in the middle of a bloody, aggressive world geared toward taking out animals for food.

I would venture to say that some people brought up in religion might see the texts of Genesis similarly, as a reflection to a better time.  It is how we are taught to read stories written in the past, as narratives that happened then, separated from us in our present context.  It is how I read the Bible for years, which caused me to feel pretty disengaged.  But is this the correct way to read it?  Might it have something to say in our current day situation, more than just a memory of old?

Perhaps we should view the creation account as a prospective possibility rather than a retrospective history.  There is some idea that the myths of the Ideal Age in many cultures are stories of a paradise never realized rather than a description of a past that is lost.  As I stated earlier, God puts people in the Garden to work it, to create something from what already exists there into a better state.  We may think that Eden was perfect and complete as it was made, but this isn’t the idea behind it.  The mission of God was to rule with humans to progress toward something bigger and better than what they started with.  In the intended progression of time, this theme would have continued into the future had humans not fallen.

We take for granted our ability to perceive information as infinite and beyond face value, evidenced in that we see situations, assess them, and inflict an external force into that situation to bring about a new, desired reality.  We constantly receive and process data, then we come up with a response that may totally change what we found, often through experimentation.  We do not accept our knowledge base as intrinsically bounded.  If we did, when we came upon some unexplained phenomenon, we would simply accept it without thought.  This likely describes Homo erectus, as the evidence suggests they themselves didn’t change much in their million-year existence.  By accepting the world at face value and taking what they could to survive, they remained essentially a stagnant species.

Interpreting knowledge as beyond the immediately observable, something to be discovered with a little forethought, is a big step in the evolution of Homo sapiens.  The production of better tools enabled humans to experiment with and exert control over their environment, thus allowing for the acquisition of new knowledge from experimentation.  This ability to manipulate the environment, to coerce it to do what one wants it to do, is a game changer in the evolution and extinction of species.  Humans now would have been able to cultivate the earth, providing a more reliable food source than a hunter-gatherer lifestyle would have provided.  Hence Homo sapiens was moving toward becoming the dominant species, and Homo erectus was moving toward extinction.

That’s not to say that the only thing humans did with technology was cultivate the earth.  Obviously, early bands of humans used tools to kill and eat larger animals that they would never have been able to take down on their own physical abilities.  What is interesting is the manner in which many groups approached the hunting and killing of animals for their consumption.  Growing up in the USA, we learn about Native Americans in school.  Most of us may remember that they always used every bit of the animal that they killed (bison is the typical example) for food, clothing, and shelter.  They never killed (or gathered) more than they needed to live.  Many people have romantic memories of Native Americans and thoughts about that kind of kinship with the ecosystem, using only what you need and leaving the rest to flourish. 

With the various crises in our ecological world today, we often question whether the earth can sustain life as we know it, whether the world holds the resources to house all of us.  Life has mechanisms of controlling a level of homeostasis, whether it is in sustainable populations and ratios of species, the food chain, or intermittent epidemics or natural disasters.  With our ever-progressing technologies beyond simple hunter-gatherer tools, humans have intervened in the stabilizing life cycle, i.e. vaccinations, protective measures against certain natural disasters, best efforts to prevent wars, etc.  It appears that the pessimistic answer is the most accurate, that the earth cannot sustain us all.  That is probably true if we feel we own the right to ravage it of all resources, above and beyond what we need to survive and thrive.  In our current world of overabundance and materialism, it is easy to subscribe to this attitude of “having it all”.  If we were to follow a similar wisdom of some of these ancients, taking only what we need, our answer to the question may change.  We may find ourselves in a more generous world that can sustain us.  Eden represents an abundant world that is enough, but only if we decide that we won’t pursue wisdom on our terms, and rather opt for the Tree of Life.

Some of that sounds like the takeaways from Sunday school, that the world used to be such a great place, and now it isn’t.  Like with the Genesis narrative, we can look at Native American history, ruminate over it, and return to our original worldview.  In line with the anthropologic purpose of legend, we can take these images and soothe ourselves with them, have a break in our otherwise mundane existence.  But, rather than treat these stories passively, what if we approached them as another tool to use toward our evolution?  What if they represented what could be in our world today?  And now we have the other “nuts and bolts”, both physical and digital tools, to more effectively make that happen.  I would hope that our desire is that we as humans are progressing toward something better that what we were.  We all have periods of regression, individually and societally.  We can choose, in various circumstances, whether we will exert the Genesis 3 human idea of our wisdom in our lives, and dwell in the desert to scrounge out a living, thus finding that our earth, despite all its generosity, is in fact a desert in our eyes.  Or we can use our developed brains and tools to mold our world in the reflection of the wisdom superior to our own and maybe begin to realize what was initially intended for us: an abundant world that becomes evermore abundant.

Blog Post 5: Human Choice

by rambler on Nov 22, 2020 category animals, Creation, disorder, evolution, evolution, fruit-bearing trees, human ancestors, human ancestors, myth, plant-based, Uncategorized, vegan, vegetarian
Olduvai gorge
Olduvai Gorge, Tanzania

An anthropologic approach may be helpful to shed some nuanced light on Genesis wisdom.  Many people feel the two vantage points of science and religion are inherently antagonistic.  But if they are read and interpreted on their terms in their contexts (not on our terms or our expectations on what we think they should say), I think we would find that utilizing both together could shed much light on understanding our present situation.  The archaeological records provide some clue as to the diets that human ancestors consumed, though because those records have holes in them, a lot of what we deduce from them is conjecture.  But that is how we use science: taking available information and explaining the story that correlates with the data.  So it would be a worthwhile exercise to consider the different relations between what the fossil record indicates and how those conclusions relate to our world today.

            The fossil records indicate that hominoid ancestors lived as vegetarians over 20 million years ago.  One of the more obvious indications of such is their dental structure.  They had flat molars with a large grinding surface and thick enamel, and large incisors, which are good for grinding nuts and plants.  Carnivorous animals had sharp molars and underdeveloped incisors, which is more suited for tearing into flesh.   Later hominoids (Ramapithecus) developed the ability to chew laterally and vertically, as opposed to the strictly vertical movement of the ape jaw, which is also a noted feature of carnivores.  This would suggest more specialization in the ability for rotational chewing which would be even better suited for crushing hardier plant foods, likely more abundant than softer more exotic foods during the Miocene Ice Age.  So that development perhaps was more a result of a climatic shift forcing adaptation for available foods or extinction, the appearance of hardier nut- and grass-containing savannah lands and less forested ones.

Other differences between hominoid ancestors and carnivores exist.  Hominoids did not have the clawed structure that carnivores did, neither the ability to sprint at 60 mph for brief spurts.  Their gut, like herbivores, was much longer to allow slower digestion required for the breakdown of fibrous foods.  That of carnivores is notably shorter, which is quite important for them in order to expel waste promptly through shorter bowels, as animal is more toxic than plant waste.  Carnivores also had smaller salivary glands, good night vision, a rasping tongue, and skin without pores, features that would aid in the hunting, consumption, and processing of flesh for food.

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As time progressed, some of our more recent ancestors continued to rely on primarily, if not solely, various plants like fruits, roots, and leaves.  A very famous fossilized hominin, Lucy, was discovered in Ethiopia in 1974.  She is estimated to have lived around 3.2 million years ago, and her scientific name is Australopithecus afarensis.  Her structure suggests she was bipedal, which would be more important for leaving the forests to live in the expanding African savannahs around this time in history.  A similar relative, Australopithecus robustus, arrived almost a million years later and was similar to afarensis except that it was larger and had a remarkable crest at to top of the head, allowing for powerful jaw muscles to originate from that ridge.  That plus the fact that it had thick, large molars suggest it also ate mostly roots, bark, seeds, and grains, which would have required such an oral structure for pulverization.  While meat could have been a part of their diet, it likely would have been miniscule as there is no evidence that they used tools and did not have the strength to kill other beasts (Lucy was 3’7” tall).  The dental remains strongly shows they consumed a varied plant diet.

Around 2 million years ago is when homo habilis arrived, the next of kin so to speak of the genus Australopithecus.  Remains from this species reveal a larger brain and primitive small tools, mainly axes.  They were likely scavengers rather than hunters, feasting upon the remains left by more adept killers like felines, and they could climb trees to reach the remains left by cat predators.  From habilis came Homo erectus.  Evidence reveals they utilized more varied tools.  Fossils of both smaller and larger animals have been found at H. erectus excavation sites in East Africa.  These appear to be the first hunters and regular consumers of meat, and their dental records show that the large grinding cheek teeth are gone, and the front teeth are sharper.  The fact that meat became a more regular dietary staple may in fact have enhanced both brain development (though encephalization was already advanced well before evidence of hunting was found in the fossil records, putting that idea into question), and provided a highly dense energy source that would allow them to develop skills other than food gathering.  But food gathering was still a significant portion of the diet, still more than half, according to Rosalind Miles Women’s History of the World.

            This jump from eating plants to hunting animals may have initially come not from the desire to kill for meat, but from the need to kill for plants.  In some archeological sites, baboon bones are found alongside Australopithecus bones, with the idea that Australopithecus killed baboons according to Peter Wilson (Man, the Promising Primate).  The idea is that early humans had to kill competitors in order to secure a food supply.  As they were not nearly as strong as their competitors, they had to use their developing brains and work together, with assistance of newly developed technologies, in order to have food.  Based on their biology, humans are built more for plant eating and not for direct competitions of strength with larger animals.  But because of the pressures of the environment, competition for food, and the attributes of encephalization, they were able to come up with ways to kill other animals in order to preserve their diet.

            Other than simply taking out competition, early human precursors Homo erectus and, to a more advanced degree, Homo sapien neanderthalensis also began migrating off the African continent.  As they could take advantage of more varied environments than other animals, yet were in many ways inferior in direct one-on-one combat, they were more suited for migration than other more specialized species.  Their developed brains permitted them to retain the necessary skills for successful migration.  Herbivores are committed to a specific niche, needing only to remember the seasonal cycles of blooming and ripening.  Nomadic life demands adaptability, extensive use of memory, acuity of senses, recall of detail, assessment of new landscapes, acquisition of new technologies (including fire), and sharing that data with others of the group in order to be successful.  The processing of large amounts of data is essential to surviving in an ever-changing environment with the ebbs and flows of migrating food sources and unfamiliar seasonal patterns of new plant life.  I like how Colin Spencer puts these new phenomena in the perspective of the developing mind:

Nothing is more comforting than the thought of power and control over one’s environment.  Not to make tools, not to migrate and trek, not to hunt and kill other creatures, would seem like a return to a lesser, more primitive state of development.

Such a perspective would be essential for Neanderthals to survive in the cold, barren northern wastelands during the Ice Age.  With limited plant life to consume compared with the temperate regions of Africa and the Levant, they would have to assert their will over their environment in order to survive.  A failure to control their environment would result in death.
            While obviously not a direct correlation, it resonates ideas of Genesis 3.  Humans are in the Garden, not in competition with other life forms because everything they could possibly need to thrive is set before them.  They are given a role as caretaker and meant to create order in the world.  Then the Fall happens when they see something that they consider good, despite being told it will kill them, and rely on their own wisdom and take the forbidden fruit, exerting their authority over their lives, and resulting in expulsion from the Garden out into the wastelands of the earth to wrench sustenance out of the ground.  It is as if humans were banished to the outer edges of an Ice Age world, out of a paradise and into a desert with severely limited food options and a requirement to in fact exert their superiority over the rest of creation in order to survive.

            This is certainly not an attempt to explain how early human ancestors ended up in the higher latitudes during a prehistoric Ice Age, or why they ended up living a lifestyle of meat consumption over plants.  Both the religious and scientific narratives are created from different sources and have different expectations of and from the reader.  But I think there are many areas of overlap between them, with this being one of them.  When we try to exert our will, our definition of what is good and bad for ourselves, and rule the earth according to our own wisdom, we end up where God never intended us to: in the proverbial desert struggling to survive, in our own version of a barren Ice Age, a place where we continue to reinforce our own law if we are to survive there.  To us, that seems like progress.  From another point of view, that seems like regression.  Is it better to live in the Garden under a better Wisdom or to live in the desert under our wisdom?  We see many examples in the Bible in which humans, in attempt to become God, become like the beasts of the field, the first example being when God covers humans’ skin with the skins of animals in Genesis 3:21.  Neanderthals did not result from reverse evolution; rather they were more advanced from those previous species that ate the plants.  And I don’t think the Bible is saying we need to be more simple creatures like the plant-eating precursors of Neanderthals.  There are some ideas that Neanderthals were not precursors of humans, but rather the end of a line that died out with no long-term progeny.  If that were true, it would make the correlation with the Genesis narrative even more curious.

A Description of the Land(scape)

by rambler on Apr 19, 2020 category athlete, bible, bike, doctor, hebrew, medicine, physician, plant-based, run, swim, triathlon, vegan, vegetarian

Thank you for checking out this initial blog posting.  As a primary care doctor in the modern United States, I encounter mostly disease processes that are highly preventable, or at least modifiable, with lifestyle adjustments.  Most people have likely heard a similar sentiment from someone they know in healthcare, the media, or perhaps have come to that realization in their own lives.  Cardiovascular disease continues as the number one cause of death in the United States.  We also see diabetic complications, chronic kidney disease, COPD with lung failure, sleep apnea, osteoarthritis, liver disease, and various forms of cancer to be common causes of morbidity and mortality. 

The patterns of growth of these diseases mimic similar rises in overweight and obesity patterns.  None of this is news to anyone who pays attention to news feeds over the last few decades.  We continue to see the obesity epidemic climb to a new height, most recently more so among minorities.  According to the CDC, in 2008 the annual medical cost burden of obesity-related diseases was $147 billion.  And now we are seeing this epidemic permeating the rest of the world.  According to the NIH, by 2025 an estimated 300 million people worldwide will be obese.  As first-world lifestyles are more available to underdeveloped nations, so now are first-world problems.

We all know the causes of the obesity epidemic are by and large, with the rare exception of a few genetic syndromes, lifestyle-induced.  Cheap, unending amounts of refined sugars and greasy fried foods complement a dire lack of physical activity that our modern economy allows for.  There are obvious reasons people gravitate toward these foods, whether purchased in a grocery store or fast food restaurant.  They are inexpensive which makes feeding a large family easier on the budget.  They satisfy our primal instinct for immediately available energy sources like sugar and fat.  They are fast and easy to prepare; all you have to do is move your car through the drive thru window or follow a quick recipe on the back of the box.  As our modern world becomes more automated, we have more conveniences than anyone in human history, allowing us a reprieve from the labor humans once had to perform for survival, and permitting for a sedentary workforce that has to rely on making time outside of work to get the exercise our bodies have been accustomed to since our development.

There has been no shortage of nutrition and exercise plans, dietary resources, smartphone apps and lifestyle coaches…

There has been no shortage of nutrition and exercise plans, dietary resources, smartphone apps, and lifestyle coaches to help individuals and collectives of people combat the problem.  Earlier in the 20th century, focus was put on amphetamines as stimulants for weight loss, and even today an amphetamine analog, phentermine, is commonly prescribed to assist in weight loss.  For decades our analog televisions flashed commercials for Weight Watchers, Slim-Fast, and Nutrisystem, encouraging people to buy their products and services to assist with shedding pounds.  Today we have a plethora of phone apps dedicated to counting caloric consumption and expenditure, quality of calories consumed, and other health metrics designed to lead one toward a healthier existence.  Dietary trends and themes abound, some having more staying power than others.  Just a sampling of these include Atkins, South Beach, Body for Life, juicing, alkaline diet, gluten-free diet, super food diet, Paleo, intermittent fasting, Mediterranean diet, DASH diet, various forms of vegetarianism and veganism, and many more.  There is a reason several of us know about these diets, other than marketing: to a good extent they work in helping people lose and keep off weight.  These plans can be marketed and pushed by sponsors endlessly, but if they had no hint of efficacy, they would not have made it into modern lexicon years after their conception.  For a few years, I followed the Paleo diet myself and found that it did provide significant and desirable weight loss and body composition.

Ask a number of trained healthcare practitioners the ideal diet, and one will likely get as many differing opinions concerning said ideal.  Several of those opinions point to one of the previously listed diets.  Many of these are geared toward preventing specific disease.  The DASH diet is often advised as part of a treatment plan for hypertension.  The Mediterranean diet is similarly prescribed for diabetic patients.  A gluten-free diet is the treatment for clinically diagnosed celiac disease.  The healthy kidney diet is meant specifically for people with chronic kidney disease.  A low-FODMAP diet can significantly help people who suffer from irritable bowel syndrome.

Most of the diets proponed by healthcare personnel share a common theme of putting a premium on plants as food sources, though to varying degrees.  There is good evidence that a plant-based, whole foods diet helps lower risk of acquiring various health problems including hypertension, high cholesterol, cardiovascular disease, chronic kidney disease, type 2 diabetes, obesity, and some forms of cancer (source: Pubmed).  One very large study, the China Study, which was performed in the 1970s and 1980s, concluded that populations that consume a mostly plant-based diet had significantly lower rates of Western diseases than genetically similar populations that consume high amounts of animal protein.  This is one of numerous studies that support significant benefits in a plant-based diet.

Many people assume that in order to perform at a top level athletically, animal protein must be an essential component of a proper training diet.  Several athletes have defied this conventional wisdom, opting for a plant-based diet that is void of meat while competing at the highest levels.  A sample of athletes that are reported to be vegetarian or vegan include Carl Lewis, Venus Williams, Mike Tyson, Martina Navratilova, JJ Reddick, Ricky Williams, Bode Miller, and Scott Jurek, among many other professional football and basketball players, boxers, Olympians, and body-builders.  Clearly the lifestyle of a world-class athlete is highly structured for optimum results from training and nutrition, and planning a satisfactory balance of macronutrients and micronutrients within a plant-based framework does take forethought and organization, but so does a conventional omnivorous diet.  And many interviews of plant-based athletes reveal feeling healthier than ever from mental, physical, and emotional standpoints.  As for novice and amateur athletes, I can speak for my own experience of practicing plant-based nutrition for almost a year leading up to my first Ironman triathlon, easily completing it and seriously enjoying the entirety of it.  One can, not merely survive on a plant-based diet, but thrive on it.

Science can tell us much about our current physical situation, how we go to this point over the last several millions of years, and what current behaviors can lead to in our futures.  We have a lot of science that backs up the ideal diet for humans as being plant-based eaters, limiting any animal foods from a minimal amount to none at all.  What is interesting is that this is not a new idea at all over the course of human history.  Mostly in recorded religious traditions, as early as the Jains, Buddhists, and Hindus, can one find laws and recommendations about the value of consuming mainly, if not strictly, plants and abstaining from the slaughtering and eating of animals.  Similar attitudes are found in Greek antiquity, Judaism, and early Christianity, again to varying degrees.  Ancient wisdom seems to focus more on animal welfare and practicing nonviolence toward them as a significant reason for eating plants.  Modern-day proponents, while certainly supporting animal welfare, also point to the science, which suggests improved health and wellness outcomes for us and for our environment.

The Hebrew Bible has many passages referring to eating patterns, in different people groups and in different periods of history.  Laws are given for what may and may not be eaten, both animal and plant foods.  Miracles are told of replicating both plant and animal foods.  Advice is given not to allow the differences between groups ascribing to varying dietary restrictions to cause schism between them that would prevent a community of faith from flourishing.  On a surface glance over all the passages referring to food, taken in snippets away from the surrounding contexts, one may argue that there is no clear, concise answer from these texts pertaining to the nutritional habits early peoples, the Hebrews, and followers of Jesus should be following.

I am not trained in religion, nor am I a dietician.  But I hear the stories of patients’ lifestyle choices, both good and bad, on a daily basis in clinical consultation, and I see the correlation between those choices and how they feel.  I enjoy and prioritize exercise, particularly endurance training, and I have eaten both animal- and plant-based diets while preparing for races.  I have seen the improved results in others and myself after adopting a plant-based food lifestyle, from disease prevention and management to athletic performance.  What has been more revealing, impactful, and affirming is that the Bible, a part of my religious heritage growing up in the middle of the USA, appears to indicate that, when read as a whole story, this dietary lifestyle, eating plants and not animals, is the ideal state for humans.  The Bible tells the story of how we are made, what our purpose is, and the possibilities of what can become of our existence on the earth.  In this story, the ideal state of humans living in communion with God, is one in which they are given the fruits of creation to consume for their livelihood, a part of nurturing optimal human relationships to animals, the earth, and their bodies.  This is by no means a novel realization, as there are several examples throughout history of Christian groups who ascribe to this.  But in a nation that is growing more obese and, for now, is predominantly Christian, whose followers see the Hebrew Bible as divine authority, this seems like something that should be more relevant to the life of the Church.

This is not dogma, not another item to check off a list of what “righteous” people do.  It is not a sin to eat meat or other animal products.  Nor is it a magic cure-all or safety net that will ensure one never has a heart attack or cancer. But in this world fallen unto human will, it does reveal a rediscovered/reaffirmed ancient truth of our best available relationship to everything.  The exploration of plant-based nutrition in the Bible has been fascinating, and my intention is to post writings every couple of weeks about Biblical passages that have some level of reference toward this, without shying away from the evolutionary science that is concurrent.  As a footnote, The Bible Project, a nonprofit studio that creates animated cartoons and podcasts pertaining to the biblical narrative, has been and continues to be a primary source of inspiration for these ideas that I have been pondering for several months now, so if you listen to that, you may see some similar approach or language throughout this blog.  Thank you for reading this far!

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