Drug abuse multiple sclerosis

Bacterial and viral infections, and metabolic illnesses, such as thyroid disease and diabetes, can cause mental dysfunction. So, too, can abused drugs, fever, dehydration, electrolyte imbalances, toxins, or antibiotics. Patients with HIV/AIDS often become depressed or demented. Patients with multiple sclerosis or cerebrovascular disease, brain trauma, or brain tumors often have mental disabilities. 

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