Many people face the painful situation in their lives when a close relative’s mental state begins to deteriorate. This realization can cause anxiety and despair, as the signs of dementia are often noticed suddenly. Cognitive decline is not only burdensome for the patient but also for the family members, as the loved one loses their independence, and everyday interactions change. Dementia and the Relationship with Vitamin B12 Dementia, which refers to the persistent and gradual decline of mental abilities, is often associated with aging. The signs of cognitive decline are particularly common among older age groups, and family members often notice them much earlier than the patients themselves. During the…