These chemical changes may result in elevated blood sugar, high blood pressure, water retention, and or weight gain, and despite having Blood Type O, may require a reduced intake of meat and other phosphate or high iron sources, but necessitate a greater intake of dietary or supplemental potassium and zinc. One could consider another Type O individual who has been enjoying and tolerating a high protein red meat diet, and then consumes an E. coli-contaminated hamburger, ending up with kidney damage. Obviously, his blood type is still Type O, but unless he starts to follow Blood Type A dietary recommendations now, he may soon encounter his first gout attack, or worse, he could be soon on dialysis... Full Text