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126 In a randomized controlled trial, 40 patients with tinnitus (17 of whom also had vitamin B12 deficiency with levels below 250 pg/mL) were treated with weekly intramuscular injections providing 2,500 mcg vitamin B12 or saline (placebo) for six weeks
What Should You Do Next If You Think You Might Be B12 Deficient
Others are mechanically unstable and cause locking or catching that requires surgical intervention
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