Disabling spasticity affects as many as four in 10 stroke survivors.

It's when neurons constantly cause muscle contractions, creating a life of constant discomfort, pain, and a loss of independence.

But Botox is providing relief. It's commonly known for its cosmetic uses, but it was originally used to treat disabling neurological diseases. Botox temporarily blocks nerve cells from sending impulses to the muscles, basically smoothing out the muscle under your skin.

In a study of 279 patients, almost half saw improvement.