Thomas Seyfried is a prominent scientist and researcher in the field of cancer biology and metabolic therapies.
He is a professor of biology at Boston College in the United States and has dedicated his career to studying the metabolic nature of cancer and exploring non-toxic treatment.
His research primarily focuses on the role of mitochondrial dysfunction and energy metabolism in the development and progression of cancer. He argues that cancer is a metabolic disease caused by disruptions in cellular energy production, and that it is not a genetic disease (a position echoed by David Rasnick).
Thomas argues that cancer cells rely on anaerobic glycolysis (fermentation) for energy production rather than aerobic respiration (oxygen).
He advocates the use of ketogenic diets and other metabolic therapies as adjunctive treatments for cancer and believes that by targeting the energy metabolism of cancer cells, it is possible to starve them of the nutrients they need to grow and survive.
A ketogenic diet, often referred to as a keto diet, is a low-carbohydrate, high-fat diet.
The primary goal of a ketogenic diet is to shift the body’s metabolism from using carbohydrates as its main fuel source to utilising fats for energy. By limiting carbohydrate intake and increasing fat consumption, the body enters a state called ketosis. In ketosis, the liver produces ketone bodies from fats, which serve as an alternative energy source for the body, including the brain.
I follow a somewhat ketogenic lifestyle and, generally, my rule of thumb is as follows.
- Saturated fats like avocado, olive oil, coconut oil and butter.
- Proteins like meat, poultry, fish, eggs and cream.
- Non-starchy vegetables like leafy greens, broccoli, cauliflower and peppers.
- Limited low-carbohydrate fruits like berries, although I usually avoid fruit altogether.
- Grains, legumes, sugars, and starchy vegetables are typically restricted.
Put another way, carbohydrates are not required for optimal health.
Especially when one has cancer or wants to prevent it.
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