According to the Christopher and Dana Reeve Foundation, nearly one in 50 people are living with paralysis.

Until now, there wasn't much hope.

But, a new study involving stem cells has doctors and patients excited.

Two years ago, Brenda Guerra's life changed forever.

"They told me that I went into a ditch and was ejected out of the vehicle," says Brenda.

The accident left the 26-year-old paralyzed from the waist down and confined to a wheelchair.

"I don't feel any of my lower body at all," says Brenda.

Brenda has traveled from Kansas to UC San Diego to be the first patient to participate in a ground-breaking safety trial, testing stem cells for paralysis.

"We are directly injecting the stem cells into the spine," says Dr. Joseph Ciacci, a neurosurgeon at UC San Diego.

The stem cells come from fetal spinal cords. The idea is when they're transplanted they will develop into new neurons and bridge the gap created by the injury by replacing severed or lost nerve connections. They did that in animals and doctors are hoping for similar results in humans. The ultimate goal: to help people like Brenda walk again.

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Stem cell procedures for paralysis patients