Cathy says she believes she is dying. In the last six months, she has repeatedly called 911 and visited the ER, has seen 75 doctors and specialists and has had hundreds of blood tests, CAT scans and MRIs. She says that doctors and her family refuse to believe that she is physically ill.

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Her daughter says that her mom’s “life-threatening ailments” are all in her head and that many doctors have told her mom she is suffering from anxiety, but Cathy refuses to believe it.

Dr. Phil points out that Cathy’s symptoms are also present with anxiety. He asks Dr. Frank Lawlis, chairman of the Dr. Phil Advisory Board and founder of the PNP Center, to weigh in. In the video above, Dr. Lawlis explains how anxiety can change the body’s functioning.

This episode of Dr. Phil airs Wednesday. Check here to see where you can watch.

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Watch What Happens When Woman Who Says She Fears She’s Dying Flies To ‘Dr. Phil’ Show