Doctors Missed His Son's Disease for 20 Years | Ep. 400 with Chuck Knueve

20 May 2026 · 23 min · 9 chapters

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In short

Chuck Knueve discusses his son’s 20-year delay in being diagnosed with Cushing’s disease, and argues for earlier recognition/testing and better medical guideline implementation.

Guest backgrounds

Chuck Knueve is a former pharmacist (40 years) and the author/advocate of Surviving Cushing’s Disease: A Young Man’s Journey. His son (Greg) lived with undiagnosed Cushing’s symptoms for decades; his wife also pushed for testing early.

Key claims

Cushing’s disease is hard to diagnose because it mimics common conditions and testing often happens too late. Chuck says diagnosis should typically take 3–5 years, but his took over 20. He urges parents to suspect when three characteristic signs appear together and to seek specialized endocrinology at a teaching/university hospital.

Notable examples

“buffalo hump,” “moon face,” and “stripes on the belly” as a three-symptom trigger; his son’s stamina loss after surgery and career derailment as damage that persisted even after treatment.

Written by AI. May contain mistakes. Listen to the episode to check what was said.

Chapters

Tap a time to open that second in VO

Understanding Cushing's Disease Symptoms

0:45 to 2:59

Discussion on recognizing symptoms of Cushing's disease and the need for awareness.

“And I'm sure what you also had to go through.”

The Long Journey to Diagnosis

2:59 to 6:15

Chuck shares the painful 20-year journey to his son's Cushing's diagnosis.

“system, but yet it still took 20 years for them to diagnose him.”

The Role of Healthcare Systems

6:15 to 8:42

Exploration of issues within the healthcare system that delayed diagnosis.

“And she fought first when he was a child at maybe 16 or 17.”

Awareness and Early Diagnosis

8:42 to 13:05

The importance of early diagnosis and a unique jingle to aid recognition.

“The actual normal time for somebody to get a diagnosis, three to five years, is what the literature says.”

Inspiration to Write a Book

13:18 to 14:01

Chuck recounts the motivation behind writing his book on his son's experience.

“And so we had a Zoom with my brothers and sisters and the in-laws.”

The Journey of Writing a Book

14:01 to 17:11

Learn about Chuck's experiences and challenges in writing his book about his son's illness.

“And my other brother said to me, like challenging me, have you written the first page?”

Courage to Share Vulnerability

17:12 to 19:13

Chuck discusses the emotional drive behind sharing his son's story and its impact.

“So, Charles, what would you say has given you the courage to be so vulnerable?”

The Impact of the Book

19:21 to 24:38

Chuck shares stories about how his book has helped others dealing with similar issues.

“if i chose myself no one chose me to write it i chose myself no one endorsed me no other professionals endorse me?”

Final Thoughts and Resources

24:39 to 26:25

Chuck provides details on how to purchase his book and its availability in various formats.

“I mean, again, I know from an author to an author, it's hard to put those things down on paper that you don't necessarily want the world to know, but you know that the world needs to know.”
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Transcript

Automatic transcript. May contain errors.

0:00It was the 20 years that my son suffered. The story had to be told.

0:06Daniel Robbins:And I know the book is about your son and Cushing's disease and the tragedy of what he had to go through. And I'm sure what you also had to go through. America is an industrialized nation, probably one of the top nations in the world. But the last that I knew, we are 15 in our medical care and how we deliver it. I think we need to catch up. So if there's a parent watching and they're thinking that there could be something wrong with their child, because I know this is rare, what should they do? When there are three symptoms, you should suspect Cushing's disease, because no symptom by itself will identify the disease.

0:53Daniel Robbins:so chuck you just wrote this book probably the most personal thing that you ever do in your life is to write this book and congratulations on that and we'll get all we'll get into this And I know the book is about your son and Cushing's disease and the tragedy of what he had to go through. And I'm sure what you also had to go through. So take me back to the moment when you got that diagnosis. It was a long process to get the diagnosis. It was not just going to the doctor for one visit. It took over years because the disease itself actually hides itself in many common signs and symptoms that are in other very common diseases.

1:42So it's very difficult to diagnose. So it took years to get it diagnosed, much longer than probably it should have. And that's the reason the story is written. It is to make sure that no one else has to go through that long path. to get the diagnosis that he finally got. It was a painful journey, but we want something good to come out of this painful journey. And this is why I wrote the book. This is why I am out there as an advocate to make sure that Cushing's disease actually becomes more known for people. I've created jingles in the book so that if it's six months from now or if it's a year from now or two years from now, that jingle will stick in their mind and tell them, ooh, this could be that problem, and have them go back and then revisit the book to see, yes, I think maybe I need to tell this person that.

2:44The whole point is to make people more aware of Cushing's disease, to get earlier diagnosis through all of my five years of researching it, and always come back to that. we need earlier diagnosis.

2:57Daniel Robbins:And you spent 40 years as a pharmacist, and so you knew medicine in the system, but yet it still took 20 years for them to diagnose him. What do you think was broken in the system? You can't point the brokenness to any one person. I think it's the process that needs fine-tuned. And when you look at the guidelines that the endocrinologists from the United Kingdom in the United States developed, the guidelines that other doctors could use to diagnosis the disease, it's the guidelines that they use. I got a bachelor in science, and then I went on and got a doctorate in pharmacy. And as getting a doctorate in pharmacy, we had to take these diseases and then take them through those guidelines and then do case presentations on them.

3:50Most of ours were done with more common diseases. This one here is a rare one. The first time I ever did this one was with my son's disease. And the most difficult part, I think, is that they do not test soon enough. And some of that is that it's difficult to get the evidence to say that, yes, we need to do this at this time. And there's just a big, vague period there where it could be done, it should be done, but it isn't done. At least, that's the way I was taught when I went through pharmacy school, but I'm finding that the medical guidelines are a little bit more vague, and they're pretty cumbersome to work through.

4:36So I'm thinking the biggest thing is, is that what I would like to see, and I'm speaking to the medical community now, is that take a look at what we have now and let's see if we can make it better. I do not want to point fingers at anyone in particular because it was no one's really problem in particular. It's a system that just needs to be fine-tuned. And this is a plea. I'm not chastising anybody. It's a plea for us to make this better. America is an industrialized nation, probably one of the top nations in the world. But the last that I knew, we are 15th in our medical care and how we deliver it.

5:17I think we need to catch up. We need to close that space between the two. And it's not only the doctors that can do it. It's people who can sign up for the studies so that they can develop the studies and make those studies meaningful, have enough people so that they have enough power in those studies to make better decisions on when testing should be done. And if they can possibly find a better marker to identify it, that would be good too. The two that they have now are good, but it's been my experience that they're not the first ones that the docs out there go for. And there's just a little bit of a miscommunication there, what should be done first.

6:00that's my opinion though that's not a general opinion that's just my opinion thank you Charles

6:05Daniel Robbins:I appreciate that you have you know firsthand experience so you've said that no parent should be forced to watch their child suffer as physicians probe the unknown for answers what point though for you out of this whole process did the feeling of helplessness turn into that decision to fight the one night well actually the battle started first My wife was the one who says, I think he has Cushing's disease. And she fought first when he was a child at maybe 16 or 17. And I says, yeah, he could. But then I looked at it and I said, but he doesn't have the profile of a kid that has Cushing's disease.

6:45So it didn't quite fit at that time. But by the time he got to young adulthood, what I was taught in school should have raised red flags and it didn't. And, you know, you say, well, should we have said more? My wife was constantly encouraging to get tested. And for some reason or not, it just took almost 20 years from when he was 16. He didn't get to, well, we went to that first doctor's visit when he was probably about 16. He got the first doctor that really looked at it. This actually is probably more than 20 years. He was probably 35 until one general practitioner decided to do the test, and he followed the guidelines spot on.

7:33And we finally took a sigh of relief, saying that, yes, he finally took, we finally got somebody to hear, and they are finally starting at the right spot. And then he did the first two tests. He said, I need to send you on. And the interesting thing about that is, and I think it's an important point to mention to people, is that, you know, we were told that we had to get our own endocrinologist and researcher, which for me was not a big problem because I could do that. I was in the field. I knew how. I said I wanted to be at a university hospital, and I want to have an endocrinologist who specializes in Cushing's disease.

8:13It cannot be just any endocrinologist. it has to be an endocrinologist that specializes in Cushing's disease. And by the stroke of God and the help of God, we got a very beautiful endocrinologist at this university, and it's been a delight. Well, it's not a delight to have to go through it, but they were wonderful. But the process of getting there, we've got to shorten the time from when we first think it until we got to that point. 20 years is too long. The actual normal time for somebody to get a diagnosis, three to five years, is what the literature says. This took over 20 years. So people need full and vibrant lives.

8:56We need to get the disease diagnosed earlier so that they can get it corrected earlier. The longer it goes on, the longer the disease causes more and more damage. and then the problem is they can correct the disease, but that damage that has been done, he has to live with for the rest of his life. And that's where we are right now.

9:17Daniel Robbins:So if there's a parent watching right now and they're thinking that there could be something wrong with their child, maybe it's this or maybe it's something else, because I know this is rare, but there's many different rare diseases that somebody could have. But if there's a parent that is thinking, I think something is wrong, but no doctor is validating that. What should they do? Well, my book pretty well explains what happens. And it explains when I feel they should step in and do testing anytime beyond that testing. And it's very early on. When I was taught early on in my bachelor degree is that when there are three symptoms, you should suspect Cushing's disease because no symptom by itself will identify the disease.

10:09When you have the buffalo hump, the little hump on the back of the shoulder, you have the moon face, and you have the stripes on the belly, those are three characteristic signs of Cushing's disease. When they happen together, that should raise the red flag. And that happened early on, but it did not raise the red flag. And then life went on, and then another symptom came on to, and another one, and another one, and another one, and they worsened, and they got more. And so it's really, yeah, it's at the early diagnosis again is where the critical point is. And I actually put a jingle in there, and I got criticized for it, that I put the jingle in there because I wanted something so simple and short that they could cling on to and stick that in the memory, not the whole book, stick that in the memory, to be the trigger to tell them, okay, go look at this book.

11:04I think there might be something there. So anyways, that's that.

11:07Daniel Robbins:Most people are retiring at 73, yet you decided to write a book. And I'm also an author, and I know the process of writing a book is painstaking in itself, not only because it can take a while, but then you have to relive a lot of things that you don't necessarily want to relive and you then have to put it on paper knowing that other people will read it and that to me was was very challenging what was the moment though when you realized that you had you couldn't stay quiet anymore that you had to get this out there it was the moment when i said um speaking of building something from the ground up we often talk on this show about the hurdles from the early days that grind before you have a massive audience or venture backing.

11:55Daniel Robbins:But the landscape of creator income is changing so fast, and I want to share a platform that's actually making that path accessible for beginners. It's called FanView. Whether you're a musician, a fitness coach, or someone with a unique perspective, FanView is a monetization platform that lets you turn your digital content into a real business. What's impressive here is the low barrier to entry. You don't need a million followers or years of experience to start earning. The process is incredibly simple. Upload your content, share exclusive videos or photos that your fans can't get anywhere else.

12:32Daniel Robbins:You connect directly through deep, direct relationships rather than just being at the mercy of an algorithm. You get to earn money by generating reoccurring income through monthly subscriptions or even paywall default content. I've seen creators use their AI analytics to track exactly what's working, helping them scale their income faster than traditional social media ever allowed. It's built for the next generation of founders who want to own their audience from day one. Are you ready to start your creator journey and make it big? Visit fanview.com today and launch your career. You can also find the link right at the top of the description and in the pinned comment to check out FanView Creator Academy.

13:18We were in COVID and we were just as a nation mandated to be quarantined and to stay at home. And so people started to do Zoom. And so we had a Zoom with my brothers and sisters and the in-laws. And we were talking and I said, of course, I had entertained the idea of writing a book. I just didn't know which one. and they always said, write what you know. And I knew that way early on, but I have never found the thing to write about. So I said when I was talking with my brothers and sisters that I'm going to start to write a book about Greg's experience with his disease. And my sister, teasingly, like brothers and sisters do, he says only Chuck would write a book.

14:02And my other brother said to me, like challenging me, have you written the first page? and so I took it as first maybe was a little put back by it but then I took it as their way of teasing me to challenge me into writing the book so that's once I declared that then I went on but the interesting thing about that is it took years to collect all that information from all the different hospitals because every scene in the book actually happened it may not be written as it actually happened but because I can't remember all those things back that many years But, yeah, I forgot what I was going to say.

14:42Anyways, the interesting thing about that is that I had no formal training on how to write a book. I had college English, but that and me, college English to me, did not get along very well. So it was a challenge. I started writing it, and I said, oh, this is no good. Then I decided I had to join writing guilds. So I joined one, and I started to learn how to write a book. what you should use, how you should use, the pacing, the flow, and the clarity, and all the things that go along good sentence structure. And even sentence structure, when you start to talk about English and college themes in writing a book, they're totally different.

15:24So I had to learn. Then I went to a second guild and joined it and learned how to write. And the interesting thing about this is that the guild that I joined, if you know the chosen movie out there, it's the Jenkins. I don't remember his first name, but his father was the one who is the guild that I belong to and has over 200 books out. At the time, I didn't know the two were associated, but what I learned of it, I'm thinking, wow, somebody upstairs directed me in the right direction so that I will learn how to write this book. I must be, it must be a responsibility. I have to write this book.

16:03So once I did that and I learned that, then I started writing and then the book started to become alive. It became more than facts because in the book, because I'm a father that's emotionally involved in the story and I'm a clinician that also knows what should, that could have happened. And I put the two together and layer them together. There's no other book out there that does that. so it made the book come alive. And one of the other most important things I did is I made it told from the camera of my son. The point of view was my son all the time, except for the first few chapters. It was my wife because he was an adolescent, and then she had to be the point of view, but it was a point of view through him.

16:44The story has always been about him. The story has always been about to tell the story so that the readers, I'm talking to the readers. I'm not writing for myself. I'm writing the story for them and to them. I went through the book, you know, line by line, chapter by chapter, making sure that all the words were working for the readers so that I could impact them with the most beneficial story that I could to help them through their journey.

17:13Daniel Robbins:So, Charles, what would you say has given you the courage to be so vulnerable? Because not a lot of people would have done that. Like you said, no one else has written a similar style book about this before. So what gave you the courage? It was the 20 years that my son suffered. The story had to be told. So that being said, the story had to be told because my son suffered for 20 years. And I thought people deserve more vibrant lives. so if his turmoil if his pain could cause somebody else's life to be better speaking of building something from the ground up we often talk on this show about the hurdles from the early days that grind before you have a massive audience or venture backing but the landscape of creator income is changing so fast and i want to share a platform that's actually making that path accessible for beginners it's called fan view whether you're a musician a fitness coach or persona with a unique perspective fan view is a monetization platform that lets you turn your digital content into a real business what's impressive here is the low barrier to entry you don't need a million followers or years of experience to start earning the process is incredibly simple upload your content share exclusive videos or photos that your fans can't get anywhere else you connect directly through deep direct relationships rather than just being at the mercy of an algorithm.

18:47Daniel Robbins:You get to earn money by generating reoccurring income through monthly subscriptions or even paywall default content. I've seen creators use their AI analytics to track exactly what's working, helping them scale their income faster than traditional social media ever allowed. It's built for the next generation of founders who want to own their audience from day one. Are you ready to start your creator journey and make it big? visit fanview.com today and launch your career you can also find the link right at the top of the description and in the pinned comment to check out fanview creator academy i had to do it if i chose myself no one chose me to write it i chose myself no one endorsed me no other professionals endorse me?

19:37I didn't ask them. I just said in my own heart, the story had to be told. And I chose myself. And then I went on. And five years after declaring to my brothers and sisters, I was holding this book here in my hands. I'd completed the process. I did it. yeah and it was it was just it was good now there's been a few hiccups along the way some of them not intentional by me by my publishers by anybody else just uh one person who decided to write a negative article about the book discrediting what it was done because one of the things i worried about it was stepping on some of the toes of professional people maybe who should have done something that didn't.

20:37I mentioned no names, all names, or I'm not anonymous. I don't want to point fingers at anybody. I want the process to be improved. So yeah, I didn't, I was very careful about that to make sure that it was told in a very respectful way and honored integrity of all people, because no matter who you are, sometimes I don't know what their situation, what they're going through when they're making their decisions. I can only see what happened and reported what happened. And this is why I kept the book in my son's eyes. It is told through his story because no one sees when the diagnosis is given. They see the diagnosis that is given in the doctor's office.

21:23They see the diagnosis that is given in the hospital. They see the discussions in the hospital, but very seldom do they go home and see the 24-7 that these people go through and then have to live the life. Just to let tell you just an example of one of them, when the surgery was finally done and he came home to live with us during the recovery period, every morning it was a slow walk. It was a struggled walk because his stamina and strength had been robbed. And now he had to rebuild himself. You know, and you say, why did I write that? Why did I make that? Why did I do this? Because I saw that every morning.

22:03America doesn't see that when people go home with these diseases, what they live through and how their life is. And I saw it. I saw him lose a career. He had a life that was being destroyed by a disease, trying to build a career as a chemical engineer at the same time, and the two were intermingled. And this disease kept destroying his advancement in his career, and that was hard to see as a pyramid. And the day when he lost everything, I mean, there was nothing left except surgery and start from the bottom again. There, I said no. No money in my checking account is going to keep me from telling this story.

22:47I did it.

22:48Daniel Robbins:Well, Charles, thank you for being vulnerable. If you can help one person, I imagine that is fulfilling enough, but hopefully many people who are in the same place that you were, they now can find solace in what you wrote. Do I have a minute just to share? You said, if I can help one other story. There is an impactful story. A sister-in-law who's her fiancé, her daughter, they are in the process of trying to decide whether she has Cushing's disease. and they are referring back to the book to help them, guide them through. And I talk to them once in a while because now he's going to become part of the family.

23:31And so then I can help guide him personally, not only my book, but because of that book, my experience with it has made my availability to help people make them more aware of Cushing's disease and then also guide them in the right way. I also guided him and said, you need to tell them to do these tests, but they haven't done it yet. I said, so you've been to the general practitioner, your endocrinologist is on board. Your next step is to go to a teaching hospital and get somebody, an endocrinologist that specializes in Cushing's disease. You're there. You need to get that done. And actually, as a matter of fact, I just told him that yesterday.

24:11And all of that is because they're reading the book, and it's making them aware that, no, we can't stop here. And so you say, do I have one person to do that? I have one person. I have other person say, so-and-so, I think so-and-so has that disease. I'm going to give this book to them. You know, I've heard that several times. So it has been impactful. And the thing is, the negative article really kind of set everything backwards because it was somebody who was pretending to be.

24:43Daniel Robbins:Well, thank you, Charles. I mean, again, I know from an author to an author, it's hard to put those things down on paper that you don't necessarily want the world to know, but you know that the world needs to know. And because, you know, our hope is always that we can impact others through the words that we have on these pages. If people want to get in touch with you, they want to buy the book, how can they do so? the book available on amazon it's also available on my website tales to be told.com they can buy it through there there actually is a deal going on now that if they buy a paperback book they are they will get an e-book free so it's available and it's available on multiple platforms it's available in three other languages available in french german in spanish for those people who you know would be easier for them to read it that way it's available as an audiobook if there's someone who would be be more at ease to experience it that way so yeah it's available hardback paper book e-back audio and then those additional three languages well surviving surviving cushing's disease a young man's journey thank you Charles so much for sharing this thank you for being vulnerable and sharing today because we are all about impact here so that you know that is my life mission as well as to impact people through the stories of people like yourself and your son so thank you so much for joining us all right thank you very much for taking the time to spread the news of Cushing's disease

From the publisher

Daniel Robbins interviews Chuck Knueve about watching his son suffer for decades while the healthcare system searched for answers. Chuck breaks down why Cushing’s disease is so difficult to diagnose, what he believes is broken in the process, and how earlier testing could prevent irreversible harm. He also shares why he wrote the book during COVID, how he learned to write at 73 by joining writing guilds, and why he structured the story through his son’s point of view to show what families live with at home, not just what doctors see in clinics.

Key Discussion Points

Chuck explains that diagnosis often takes years because Cushing’s hides behind common symptoms, and his son’s case took over twenty years. 
He argues the issue is not one person, but the diagnostic process and guidelines, especially testing not happening soon enough. 
Chuck shares the early red flags he wishes had triggered action sooner, including the “buffalo hump,” “moon face,” and abdominal stretch marks appearing together. 
He emphasizes the importance of finding an endocrinologist who specializes in Cushing’s disease, ideally at a university or teaching hospital. 
Chuck describes the moment he committed to writing the book, a family Zoom call during COVID where his siblings challenged him to start. 
He explains why he added jingles: not to be cute, but to create memory triggers that help people recognize the pattern months or years later.

Takeaways

Rare diseases can hide in plain sight, and persistent multi-symptom patterns deserve early testing, not years of waiting. 
Parents and patients often have to advocate harder than they think, including pushing for specialist care when the path stalls. 
Even when the disease is corrected, delayed diagnosis can mean permanent damage, which is why time is the real enemy. 
Writing can become advocacy, and Chuck’s goal is simple: make the next family’s journey shorter than his son’s.

Closing Thoughts

This episode is a reminder that medical systems can miss what families live with every day, and that a single story can change awareness faster than a guideline update. Chuck Knueve turned decades of pain into a practical tool for earlier recognition and better outcomes. If you suspect something is off and you keep hearing “wait and see,” this conversation will push you to ask better questions and keep going.


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