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Global Translational Medicine                                                          Mass balance



            equipment). The assumption is that such results would   the same distance within the same amount of time (e.g.,
            violate the Law of Conservation of Energy. As has been   0.5 h) but with a lower heart rate. His body has adapted
            discussed before, this is not the case (see 2. The energy   to this cardiovascular stress physiologically, biochemically,
            balance theory is a flawed paradigm). In studies where low-  and even anatomically in the long run, thus becoming a
            carbohydrate diets have not been more effective in terms of   more efficient fuel utilizer; his body is able to achieve the
            fat loss, EBT-based calculation formulas have been used,   same running average speed (5 km/0.5 h = 10 km/h), while
            which yielded incorrect results (e.g., Hall  et al.  and a   utilizing less fuel. However, every time his body oxidizes
                                                   [11]
            reanalysis  in  Manninen ).  Therefore,  it  is  important  to   1 g of glucose while running, the heat released by his body
                               [12]
            consider these points when reading such reports.   continues to be ∼4 kcals, which will not change as he ages
              The real “acid test” of every theory is how good results   or as a function of his genome, epigenome, or proteome.
            can be obtained in practice based on the theory. How   22. The Coca-Cola Company and their
            effective have EBT-based obesity treatment interventions   insidious marketing arms
            been? As of 2021, 19 US states and territories have at least
            35% of their residents living with obesity, which is more   The Global Energy Balance Network (GEBN) was a
            than double the number in 2018 . Therefore, it is clearly   US-based marketing arm of The Coca-Cola Company
                                      [40]
            impossible to even talk about effective interventions.   (hereinafter referred to as Coke), claiming to fund research
            Anyone would think that this upsurge would finally raise   on the causes of obesity . GEBN’s core message was that
                                                                                  [43]
            concerns. However, in my opinion, wasting time and   the primary cause of obesity is physical inactivity, not a
            money on research conducted within the EBT paradigm   poor diet [44-46] . In plain language, their message was that
            should be stopped immediately.                     people can continue to enjoy high-carbohydrate junk food,
                                                               including Coke’s drinks, as long as they exercise enough to
            20. Other applications of the mass balance         remain in “energy balance.”
            approach
                                                                 With around 1.4 billion inhabitants, China is the
            Although this review focuses on the macronutrient   world’s most populous country, so Coke has naturally
            distribution of diet, the mass balance approach has many   taken interest in China’s market. In Greenhalgh’s article,
            other  practical  applications.  For  example,  anti-obesity   she  covered  this topic [46] , and  her findings  were as
            drugs or dietary supplements that affect satiety should   follows:
            reduce the consumption of carbohydrates instead of fats.   (i)  Coke’s main vehicle for influencing obesity science
            Other applications will be covered in the updates to this   in China was the International Life Sciences Institute
            article.
                                                                  (ILSI), a Coke-sponsored marketing organization that
            21. The mass balance approach has nothing             masqueraded as a scientific organization and whose
            to do with the metabolic advantage                    founding president Alex Malaspina was concurrently
                                                                  the vice president of Coke; a few years ago, the ILSI
            hypothesis                                            and Coke were practically synonymous;
            Contrary to what some have thought, the mass balance   (ii)  ILSI’s website emphatically spotlights their long
            approach has nothing to do with the metabolic advantage   commitment to scientific integrity, but as pointed
            hypothesis . Proponents of this hypothesis postulate that   by Greenhalgh, “[a] close examination of how the
                    [41]
            low-carbohydrate diets lead to faster body mass and fat   organization [ILSI] works in practice reveals a
            mass loss than isocaloric high-carbohydrate diets because   different picture” ;
                                                                                [46]
            “energetic inefficiency, substrate cycling, and demands of   (iii) Coke, working through ILSI-Global and ILSI-China,
            gluconeogenesis support observed advantages for weight   succeeded in redirecting China’s obesity science and
            [and fat] loss” . Unlike energy, mass has no efficiency.   policy to emphasize physical activity over dietary
                       [42]
            The amount of mass that is taken in always comes out   modifications.
            in exactly the same amount. It is worth noting that the   In addition to GEBN and ILSI, Coke leveraged the
            metabolic advantage hypothesis operates within the EBT.  authority of  countless  health  organizations  to  spread
              With all due respect, it would seem that the proponents   this message. In Spain, for example, at least 74 health
            of the metabolic advantage hypothesis have not taken   organizations were sponsored by Coke from 2010 to 2016,
            notice that efficiency is not related to incomplete substrate   with a total investment above 6 million euros . The main
                                                                                                   [47]
            oxidation but to how the  body uses  the available  fuel   message was the same as with GEBN: “The most prevalent
            resources. Consider the following example: a man starts to   strategy was to focus on physical activity and sedentary
            run 5 km every day and soon discovers that he can complete   behaviors as key obesogenic risk factors” . Rey-López
                                                                                                 [47]

            Volume 2 Issue 1 (2023)                         12                        https://doi.org/10.36922/gtm.222
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