The gut, which is the «home» of our immune system becomes imbalanced, (the early warning signs of autoimmune disease are often gut related, and may
include gut distress, acid reflux, bloating, irritable bowel syndrome, diarrhea, constipation).
Endurance athletes frequently report gastrointestinal impairment during competition, which can
include dangerous and debilitating conditions such as nausea, bloating, pain, vomiting, abdominal angina, bloody diarrhea, endotoxemia, hemorrhagic gastritis, and ischemic colitis.28, 29 Causes of
gut distress are considered multifactorial, with gastrointestinal ischemia being important, along with mechanical position (e.g. runners versus cyclists) and nutrition.