“I haven’t had a meal in almost four years,” says Vanessa. The young woman says she suffers from ARFID anorexia (Avoidant Restrictive Food Intake Disorder) and that she survives on protein shakes, ice cream, water, candy and “safe foods.”

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“This all started in 2009 when I got a Hepatitis B shot. I immediately started feeling sick. I had constant panic attacks. I couldn’t leave the house,” Vanessa says.

Her husband, Michael, says she is “obsessed” with her ARFID diagnosis. “She truly believes she’s allergic to almost any food and will choke and die,” he says. “But my wife doesn’t have any allergies. She’s been to numerous allergy doctors who tested her, and she’s allergic to almost nothing.”

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Vanessa and Michael both say that her disorder is coming between them and putting a strain on their marriage.

“Michael doesn’t understand the disease, and he doesn’t understand that I feel like a prisoner in my own body,” Vanessa says. “I feel like I’m knocking on death’s door.”

On Friday's episode of Dr. Phil, see what a day in the life is like for Vanessa. And, what may be driving her behavior? Check here to see where you can watch.

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A Day In The Life Of A Woman Who Says She Is Physically And Mentally Afraid Of Most Food