Cancer Isn’t Just Genetic: Exploring Root Causes
From a holistic functional medicine perspective, the root cause of cancer is mitochondrial dysfunction, particularly glucose fermentation. However, this is just one perspective—there are several other underlying factors worth exploring.
Sheryl Aguelo
9/1/20252 min read


Holistic Functional Medicine Perspective
When excess glucose is neither utilized by the cells nor properly eliminated, it can undergo fermentation—a toxic process that contributes to mitochondrial dysfunction and cellular stress. This has been supported by over 20 years of research by Thomas Seyfried, PhD. In both in vitro and in vivo studies, his team demonstrated that adding glucose to cancer cells promotes their growth. Moreover, combining glucose with glutamine (an amino acid) accelerates cancer cell growth even more than glucose alone. Dietary fat, in contrast, showed minimal impact on cancer cell proliferation in these studies. According to scientific research, a major contributing factor to cancer is high sugar intake. Effective approaches to prevention and treatment include fasting, low-carbohydrate or ketogenic diets, and a diet that emphasizes plant-based foods over meat. Numerous studies support these findings.
1800's Perspective
While scientific research suggests that high sugar intake is a major contributing factor to cancer, with treatments often focusing on fasting, low-carb or ketogenic diets, and a plant-based eating approach, it's important to consider spiritual insight as well. According to Counsels on Diet and Foods by Ellen G. White, the primary cause of cancer is meat consumption. She emphasized this point repeatedly across her writings. Ellen G. White is regarded by many as a prophet inspired by the Holy Spirit. Historical accounts even describe her entering a state where she reportedly did not breathe while receiving visions and writing, suggesting that her insights came directly from divine inspiration rather than human understanding. Despite having only a third-grade education, she authored numerous books filled with guidance that continues to resonate, even among those with advanced academic knowledge. She wrote the book in the mid-1800s. It's also worth remembering that much of what we now accept as scientific "fact" originally began as theory. This reminds us to stay open to both spiritual and scientific perspectives when exploring health and healing.
The Modern Perspective
Modern doctors are increasingly recognizing a link between meat consumption and certain types of cancer, particularly colon cancer. Some argue that not all meat is created equal—processed meats and those from grain-fed animals are considered high-risk, while organic, white meats consumed in moderation may pose less harm. This view aligns with the idea that grain-fed animals produce more inflammatory compounds, and since grains are rich in carbohydrates (which convert to sugar), this could contribute to cancer risk. It’s a sound explanation, considering sugar’s well-established role in fueling cancer growth.
However, there's another important layer to consider. In The Longevity Code by Dr. Kris Verburgh, the distinction between animal and plant-based proteins is emphasized. He explains that proteins from animal sources often contain higher levels of sulfur-containing amino acids and growth-stimulating compounds. These can elevate insulin and IGF-1 (Insulin-like Growth Factor 1), which in turn raise glucose levels—creating an environment that promotes cancer growth. In contrast, plant-based proteins from foods like beans, seeds, and nuts tend to be lower in these compounds and are associated with reduced cancer risk.
This scientific perspective begins to echo what Ellen G. White wrote in the 1850s—decades before such studies existed. She repeatedly warned that meat consumption was a primary cause of disease, including cancer. Her insights, believed by many to be divinely inspired, are increasingly aligning with modern health research.
The Parasite Perspective
I read in Dr. Hulda Clark’s book that cancer is caused by parasites—a term she uses broadly to include harmful bacteria, viruses, fungi, worms, and similar organisms. This makes sense, as these microbes can damage mitochondrial function. She successfully treated many cancer patients with antimicrobial herbs, often achieving faster-than-expected recoveries.
In conclusion, anything that impairs mitochondrial function causes cancer.
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