Patients who have undergone gastric banding should be aware of the following signs that may indicate falling B12 levels and warrant prompt blood testing: Neurological symptoms: Tingling, numbness, or 'pins and needles' in the hands or feet Difficulty with balance or coordination Memory problems, difficulty concentrating, or 'brain fog' Mood changes, including low mood or irritability Haematological symptoms: Persistent fatigue or weakness disproportionate to activity levels Breathlessness on mild exertion Pallor or a slightly yellowish tinge to the skin Other indicators: A sore, smooth, or inflamed tongue (glossitis) Mouth ulcers occurring frequently It is important to recognise that some of these symptoms particularly fatigue and low mood are non-specific and may overlap with other post-operative nutritional deficiencies, such as iron or vitamin D deficiency

A recent study showed that in various models of intestinal inflammation, increased populations of Enterococcus are coupled with increased populations of Proteobacteria and decreased populations of more favorable bacteria such as Lactobacilli and Bifidobacterium 130
During the medication process, patients should strictly follow the doctor's instructions and should not change the medication plan arbitrarily
gondii infection activates ferroptosis in mice, causing pathological damage (Wang et al., 2023a)