A bone marrow disorder is a less common, more serious cause of elevated white blood cells. Leukemia is the most frequent culprit. With this type of cancer, the bone marrow produces large numbers of defective white blood cells and releases them into the blood. Other bone marrow disorders, such as polycythemia vera, can also increase the WBC count.
Leaky gut syndrome is said to have symptoms including bloating, gas, cramps, food sensitivities, and aches and pains. But it's something of a medical mystery.
Gut fermentation syndrome is not commonly known within conventional medicine. For most people, they won't be experiencing extreme symptoms like this man but they may be having symptoms like poor energy, headache and nausea, which stem from an overgrowth of yeasts.