Otolaryngologist, head and neck surgeon Francis T. Hall discusses the evaluation of thyroid nodules, which primarily aims to determine the likelihood of malignancy. He then reviews the treatment of thyroid nodules and thyroid cancer, including recent advances in management
Metformin-induced B12 deficiency: Easily overlooked but easily treated
Metformin-induced B12 deficiency: Easily overlooked but easily treated

Metformin is generally described as safe, effective and cheap, but one notable harm associated with its use is vitamin B12 deficiency
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