I blamed my tiredness and tingling hands on getting older: a simple blood test showed my doctor what I’d been missing for years
For years, Sarah attributed her persistent fatigue and tingling hands to getting older—until a routine blood test revealed the real culprit: vitamin B12 deficiency. This overlooked condition affects millions, particularly those on common medications like metformin, yet remains hidden by standard testing. The good news? It’s completely treatable if caught early.