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The researchers concluded that ruling out and addressing a Vitamin B12 deficiency should be a primary clinical step for anyone suffering from prolonged post-COVID symptoms, as the deficiency directly mirrors and exacerbates the fatigue and cognitive dysfunction caused by the virus

If you have shortness of breath, throat tightening, or tongue swelling , you should seek medical help right away

While its perfectly safe to do a blood test during your period, the timing changes how certain results look and how theyre interpreted