It took a couple of years until more symptoms started.

I looked back at pictures of me now and it's hard to even recognize myself.

She was ready to get the answers to continue to go back and live a good quality life.

She had that surgery and I was terrified of leaving her alone in there.

I've never seen her in such debilitating pain.

I just, I didn't want to lose her.

And I looked up and I saw my neurosurgeon and he's asking me the questions like

you see on TV when you know something really bad happen. Do you know your name? Do you know what

year it is? And do you know who's the president? How terrifying would it be to fight an unknown enemy, one you didn't recognize and didn't see coming?

What if that enemy was coming from within?

A disease that even doctors couldn't identify.

Nearly half of all Americans suffer from some chronic illness and many struggle for an accurate

diagnosis.

These are their stories.

I'm Lauren Bright-Facheco, and this is symptomatic.

Thank you. echo, and this is symptomatic.

You immediately notice Kelly Dubois's intelligence, drive, and analytical nature. It's clear she is not one to

give up easily. These very traits have helped her navigate some of the most challenging moments

in her life. Tell me a little bit about you. What are your passions? Anybody who knows you,

what would they say you love? I often think about the question of what did you want to be when you grow up.

And I don't know what I wanted to be other than I know I wanted to be a mom.

I wanted a career and I wanted to be intrigued with a career and use my brain a ton

...