The frequency in each phase is very different, so a single every X weeks figure does not describe the whole picture
Other symptoms include fever, nausea, bloating, a change in bowel habits, and tenderness when pressing on the abdomen
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[2] These have less study done into their effects as of yet, but initial results seem promising
Other indications include malabsorption disorders (such as Crohn's disease or coeliac disease), following gastric surgery, strict vegan diets without supplementation, and certain medications that interfere with B12 absorption
Studies show that chemotherapy drugs induce widespread cellular senescence in healthy tissues, with these treatment-induced senescent cells secreting inflammatory factors that cause persistent fatigue, organ dysfunction, and accelerated aging in cancer survivors