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Recent endemic coronavirus infection is associated with less-severe COVID-19
You may even have a tingling sensation in your hands or feet, jaundice (a yellowing of the skin and eyes), problems with your vision, or become easily depressed
Seek immediate medical attention if any of these rare but very serious symptoms occur: chest pain (especially with shortness of breath), weakness on one side of the body, sudden vision changes, slurred speech
Some find mornings most challenging
+ B12 injections suit vegetarians and vegans who do not eat animal foods, patients with confirmed absorption issues such as pernicious anaemia, coeliac disease or significant IBS, older adults whose stomach acid has dropped with age, and patients on long-term metformin or proton-pump inhibitors that lower B12 absorption
Optional but helpful A reconstitution calculator simplifies the math for determining water volumes and resulting concentrations
