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Bonaglia MC, Giorda R, Borgatti R, Felisari G, Gagliardi C, Selicorni A, et al
Association between proton pump inhibitor use and vitamin B12 deficiency: a retrospective cohort study in primary care centers in Riyadh, Saudi Arabia
Any reported improvement in skin quality is generally attributed to downstream effects of improved sleep architecture and reduced cortisol-driven oxidative stress, not a direct dermal collagen mechanism
Check out my video The Healthiest Food Sources of Vitamin B12
In fact, studies suggest that when B12 levels drop below a certain threshold, around 253 pg/ml, it can cause changes on an ECG that point to a higher risk for arrhythmias, even in otherwise healthy people
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