https://timesofindia.indiatimes.com/life-style/health-fitness/health-news/vitamin-b12-deficiency-can-lead-to-dementia-and-affect-your-childs-school-performance-know-what-this-doctor-has-to-say/articleshow/103321192.cms
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Vitamin B12 deficiency is a condition that occurs when a person doesn't have enough vitamin B12 in their body to function properly. Vitamin B12, also
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