GBS is a nerve disease that affects senses, movements, breathing, and heartbeat in humans. The condition, in which the body’s immune system attacks nerves, can cause paralysis and even death.

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H&R Block's e-filing products are intuitive and easy to use. For paid users, tax pro support is available via screen share or chat. Many, or all, of the products featured on this page are from our ...

The slow development of symptoms leads many patients to adapt to declining health without noticing the underlying deficiency, Shelley warned. She noted: "The most common symptom of a vitamin B12 ...