The Cancer Code: A Revolutionary New Understanding of a Medical Mystery
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- Create Date：2021-05-04 08:54:39
- Update Date：2025-09-06
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- Author：Jason Fung
- ISBN：0062894005
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Summary
Author of the international bestsellers The Diabetes Code and The Obesity Code Dr。 Jason Fung returns with an eye-opening biography of cancer in which he offers a radical new paradigm for understanding cancer—and issues a call to action for reducing risk moving forward。
Our understanding of cancer is slowly undergoing a revolution， allowing for the development of more effective treatments。 For the first time ever， the death rate from cancer is showing a steady decline 。 。 。 but the “War on Cancer” has hardly been won。
In The Cancer Code， Dr。 Jason Fung offers a revolutionary new understanding of this invasive， often fatal disease—what it is， how it manifests， and why it is so challenging to treat。 In this rousing narrative， Dr。 Fung identifies the medical community’s many missteps in cancer research—in particular， its focus on genetics， or what he terms the “seed” of cancer， at the expense of examining the “soil，” or the conditions under which cancer flourishes。 Dr。 Fung—whose groundbreaking work in the treatment of obesity and diabetes has won him international acclaim—suggests that the primary disease pathway of cancer is caused by the dysregulation of insulin。 In fact， obesity and type 2 diabetes significantly increase an individual’s risk of cancer。
In this accessible read， Dr。 Fung provides a new paradigm for dealing with cancer， with recommendations for what we can do to create a hostile soil for this dangerous seed。 One such strategy is intermittent fasting， which reduces blood glucose， lowering insulin levels。 Another， eliminating intake of insulin-stimulating foods， such as sugar and refined carbohydrates。
For hundreds of years， cancer has been portrayed as a foreign invader we’ve been powerless to stop。 By reshaping our view of cancer as an internal uprising of our own healthy cells， we can begin to take back control。 The seed of cancer may exist in all of us， but the power to change the soil is in our hands。
Our understanding of cancer is slowly undergoing a revolution， allowing for the development of more effective treatments。 For the first time ever， the death rate from cancer is showing a steady decline 。 。 。 but the “War on Cancer” has hardly been won。
In The Cancer Code， Dr。 Jason Fung offers a revolutionary new understanding of this invasive， often fatal disease—what it is， how it manifests， and why it is so challenging to treat。 In this rousing narrative， Dr。 Fung identifies the medical community’s many missteps in cancer research—in particular， its focus on genetics， or what he terms the “seed” of cancer， at the expense of examining the “soil，” or the conditions under which cancer flourishes。 Dr。 Fung—whose groundbreaking work in the treatment of obesity and diabetes has won him international acclaim—suggests that the primary disease pathway of cancer is caused by the dysregulation of insulin。 In fact， obesity and type 2 diabetes significantly increase an individual’s risk of cancer。
In this accessible read， Dr。 Fung provides a new paradigm for dealing with cancer， with recommendations for what we can do to create a hostile soil for this dangerous seed。 One such strategy is intermittent fasting， which reduces blood glucose， lowering insulin levels。 Another， eliminating intake of insulin-stimulating foods， such as sugar and refined carbohydrates。
For hundreds of years， cancer has been portrayed as a foreign invader we’ve been powerless to stop。 By reshaping our view of cancer as an internal uprising of our own healthy cells， we can begin to take back control。 The seed of cancer may exist in all of us， but the power to change the soil is in our hands。
Reviews
Carol Bakker
，
It took me three months to get through this book。 It will take me some time to go through and look again at all the flags。 All。 the。 flags。 Why， oh why， did I take the minimum required biology in high school （and none beyond that）？？ Back with thoughts someday。
Petra
，
Audio; read by Brian Nishii。The narration of this book was perfect。 Clearly read and nicely paced。 I enjoyed Dr。 Fung's explanation of Cancer。 This book is fairly new， so the newest thoughts， treatments， ideas are included。 I was happy to know that advances are being made and understanding of this horrible disease is being made。 The road it long and hard， but the medical researchers are not giving up and slowly making some headway。 In this book is a bit about history， treatments （old & new）， sou Audio; read by Brian Nishii。The narration of this book was perfect。 Clearly read and nicely paced。 I enjoyed Dr。 Fung's explanation of Cancer。 This book is fairly new， so the newest thoughts， treatments， ideas are included。 I was happy to know that advances are being made and understanding of this horrible disease is being made。 The road it long and hard， but the medical researchers are not giving up and slowly making some headway。 In this book is a bit about history， treatments （old & new）， source， new enlightenments， the importance of "seed & soil"， the origins of Cancer， and so much more interesting and pertinent information。 Told in a manner that is easy to understand， interesting and informative。 。。。more
Kent Burnett
，
an example where Peer Review is necessary but not sufficient。
Victor Rotariu
，
Best explanation of the root causes and mechanism of cancer。 And implicitly how to prevent it。 It does not have any miracle cures because there are none at present。 But by understanding the causes and mechanism， you can change your lifestyle to prevent cancer as much as possible
Jaak Ennuste
，
Excellent book！ It takes a medical subject， and tells a story about it to a layman without dumbing it down。 Jason Fung has the ability to truly think clearly。 As a cherry on top， he doesn't claim to have clear solutions to a problem which is obviously so complicated。As a layman， the book was educating in so many regards。 First， it explained in clear language what cancer is。 Then it went on to discuss why we have been so poor at fighting it， even as billions have been poured into research to beat Excellent book！ It takes a medical subject， and tells a story about it to a layman without dumbing it down。 Jason Fung has the ability to truly think clearly。 As a cherry on top， he doesn't claim to have clear solutions to a problem which is obviously so complicated。As a layman， the book was educating in so many regards。 First， it explained in clear language what cancer is。 Then it went on to discuss why we have been so poor at fighting it， even as billions have been poured into research to beat the malady。 In the end， you will have a good understanding on how cancer evolves， what makes it difficult to fight it， and how can we mitigate it。 （Sort of） good news is that it is less about genes than at least I previously thought。 Cancer is an old disease which has taken off due to our "Western lifestyle"。 We can mitigate the risks by rejecting the unhealthy "Western" lifestyle that many people live nowadays。 But that is just the start。I urge you to read this book 。。。more
Nikkei Flores
，
I was intrigued reading about the different cancer paradigms from a genetic standpoint and medical nutrition。 After reading this and the Obesity Code， I truly believe that cancer therapies would benefit from ketogenic diets and intermittent fasting。 What I like about it is that it goes through a much more indepth look at cancer historically - from the different theories， etiology， medical treatments created by different providers and scientists - in addition to talking about the physiology of ca I was intrigued reading about the different cancer paradigms from a genetic standpoint and medical nutrition。 After reading this and the Obesity Code， I truly believe that cancer therapies would benefit from ketogenic diets and intermittent fasting。 What I like about it is that it goes through a much more indepth look at cancer historically - from the different theories， etiology， medical treatments created by different providers and scientists - in addition to talking about the physiology of cancer， and preventative measures （vaccines， screening practices and recommendations） currently in place with sources provided。 Main Takeaways （I may edit to add more overtime）: 1。 Cancer cells seem to thrive in acidic environments which makes sense when you think about what effects hyperglycemia has on the bloodstream （think about how diabetes is）。 This takes into account endocrine， metabolic processes and the soil theory。 2。 Cancer is an atavism， backwards evolution， towards the unicellular organism from our evolutionary past。3。 Green tea is the most widely studied natural food for chemoprevention and contains much higher concentrations of catechins （30%） than black teas。 Research in Japan showed that high consumption of green tea delayed the average age of cancer by 7。3 years。 4。 Diseases of growth are disease of metabolism; hence cell ecology will be just as important to take into consideration because when nutrients are not available， cells don't multiply and grow。5。 The most important nutrient-sensing pathways in humans are insulin， mTOR and AMPK。 Insulin increases in response to carbs （and protein although not as high as carbs according to the book）。 mTOR responds to dietary protein over 18-30h。 AMPK responds to overall celullar energy from all 3 macronutrients。 6。 Fasting simultaneously reduces all the human nutrient sensors and most of the growth pathways P13K， mTOR， and IGF-1。 Fasting during chemotherapy may also reduce the side effects of treatment while increasing efficacy and protects normal cells by putting them in a quiescent state which cancer cells dislike。 7。 However， reducing glucose is only modestly helpful because advanced cancers can break down other tissues to free glucose as it needs -- leading to cachexia。 。。。more
Alexia
，
Exceptionally clear and original take on the subject。 The author looks on the cancer systematically on system level。 It was fascinating to me。 The only issue I can think about is that Fung tends to repeat a bit too much his bottom line and over explain。 This writing can annoy some readers or help other readers to understand。 Overall a very clear and approachable book on cancer。 Highly recommended！
Lindsay Nixon
，
This book should be titled “the history of cancer and cancer research” It is， quite easily， the most comprehensive book on cancer I’ve read， and much like his other books， it is written in an easy-to-understand way。As for the actual “cancer code” or what causes cancer， this information osent presented until the last section of the book。 Jung believes insulin is the cause or main factor contributing to cancer and diseases related to insulin issues such as type 2 diabetes and obesity increase canc This book should be titled “the history of cancer and cancer research” It is， quite easily， the most comprehensive book on cancer I’ve read， and much like his other books， it is written in an easy-to-understand way。As for the actual “cancer code” or what causes cancer， this information osent presented until the last section of the book。 Jung believes insulin is the cause or main factor contributing to cancer and diseases related to insulin issues such as type 2 diabetes and obesity increase cancer risk。 His advice is to lose weight， avoid taking insulin at all costs， and make sure your body stays sensitive to insulin。 You’ll need to read his other books for info on that。 。。。more
Sandra
，
Fascinating history of cancer research and the science of how it manifests and spreads in the body。 I like the three paradigms he uses to simplify the theories scientists have come up with regarding cancer。 It can be quite technical at times， but if you like mind benders and are interested in cancer science this is a great resource。 There isn’t a ton of detailed information about how to prevent it， but you can glean some basic lifestyle strategies from the research。。。don’t become obese or get ty Fascinating history of cancer research and the science of how it manifests and spreads in the body。 I like the three paradigms he uses to simplify the theories scientists have come up with regarding cancer。 It can be quite technical at times， but if you like mind benders and are interested in cancer science this is a great resource。 There isn’t a ton of detailed information about how to prevent it， but you can glean some basic lifestyle strategies from the research。。。don’t become obese or get type 2 diabetes are the two loudest take aways。 He also goes through treatments and diagnostic tools in depth and addresses over diagnosis and over treatment。 The first 1/3 of book is rather disheartening。。。we’ve spent a lot of money on research since the Nixon years and have come to a lot of dead ends。 But paradigm 3。0 brings some hope with immunotherapy and a better understanding of what causes cancer growth and spread。 Very good read if you’re patient and have the mind to get into the weeds of science。 He tells some really fascinating and unexpected stories。 。。。more
Cindy Santos
，
An excellently read。
Oscar Castanedo
，
An amazing book for those interested to learn more about this disease。 This is by far the best book i have read on medicine along with "Taking the medicine" by Druin Burch。 I also learned one useful analytical concept （lumping and splitting）。 An amazing book for those interested to learn more about this disease。 This is by far the best book i have read on medicine along with "Taking the medicine" by Druin Burch。 I also learned one useful analytical concept （lumping and splitting）。 。。。more
Brent Winslow
，
Very interesting review of cancer research over the past several decades， from early surgical， chemical， and radiation approaches to the failed 1970s war on cancer。 Major breakthroughs have come from non-cancer researchers， with the National Cancer Institute in 2009 funding physicist Paul Davies and astrobiologist Charley Lineweaver， who determined that cancer represents cells reverting to unicellular priorities， and a focus on supporting innate immunity to treat cancer。 I was aware of the dange Very interesting review of cancer research over the past several decades， from early surgical， chemical， and radiation approaches to the failed 1970s war on cancer。 Major breakthroughs have come from non-cancer researchers， with the National Cancer Institute in 2009 funding physicist Paul Davies and astrobiologist Charley Lineweaver， who determined that cancer represents cells reverting to unicellular priorities， and a focus on supporting innate immunity to treat cancer。 I was aware of the dangers of screening and unnecessary treatment， but was surprised by how much obesity impacts cancer likelihood and has become a major carcinogen in the western world。 。。。more
Darlene
，
This was a surprise。 I thought it was going to be a bit of a dull read。 Especially since I was reading it at bedtime。 But bedtime is the time to read something dull。 It helps you sleep， right？ Nope！ This was very interesting。 I found myself engrossed in the information staying up as late reading this as any sci-fi or fantasy I usually read。 Despite the facts and figures of the research the author pursued， he was able to keep the subject matter personable。 The occasional pun kept my mind in the r This was a surprise。 I thought it was going to be a bit of a dull read。 Especially since I was reading it at bedtime。 But bedtime is the time to read something dull。 It helps you sleep， right？ Nope！ This was very interesting。 I found myself engrossed in the information staying up as late reading this as any sci-fi or fantasy I usually read。 Despite the facts and figures of the research the author pursued， he was able to keep the subject matter personable。 The occasional pun kept my mind in the read。 I was fortunate enough to get this copy from our library。 I highly recommend this book。 。。。more
Zhuo Zhang
，
It is not that informative for cancer patients。 It is more for the readers who wants to know general information of cancer。
Sharon
，
Dr。 Fung holds no punches and is not afraid to throw a few upper-cuts in the direction of the cancer and research industries for their myopia and bias。 This is needed。 With all of the hoopla of the covid pandemic and the media's overwhelming support that 1。 the science is settled and 2。 we should always believe the experts supported by the media， this was a refreshing read as Fung establishes that decades of mistakes have been made， research dollars spent ineffectually， and that all costs truly Dr。 Fung holds no punches and is not afraid to throw a few upper-cuts in the direction of the cancer and research industries for their myopia and bias。 This is needed。 With all of the hoopla of the covid pandemic and the media's overwhelming support that 1。 the science is settled and 2。 we should always believe the experts supported by the media， this was a refreshing read as Fung establishes that decades of mistakes have been made， research dollars spent ineffectually， and that all costs truly should be considered。 Scientific myopia is huge。 Revolutions in medicine mostly occur when someone goes against the settled science。 This isn't the point of the book， yet this is what needs to be echoed through the research institutions， hospitals， and media。 As an example， routine mammograms and PSA screenings do not actually increase survival and cost people quality of life and their overall health through subsequent diagnossesses and agressive treatment。 As men age， most develop non-aggressive cancers in the prostate。 At what cost are these treated when there is no difference in survivability between those diagnosed and those undiagnosed？ My 85 year-old grandfather was given hormone treatment for prostate cancer。 Already suffering from dementia， my grandfather went through horrible side effects just to shrink a non-threatening tumor。 It was shameful。 Fung wrote this for those interested in understanding the science and the limitations to the current understandings， not for the quick fix adherrents。 Cancer is an insidious opponent， to be sure， but it is ultimately rational。 Like all life， it wants to survive。 He also honestly discusses the root causes of cancer including lifestyle， genetics， and environment。 For those interesting in casting off dogma and looking honestly at data， this is an excellent and informative read。 。。。more
Devesh Dahale
，
I have read several books on cancer， and this book is one of the best I have seen thus far。 The best and most unique parts of the book are the explanation of cancer as a systemic and metabolic disease， highlighting the history of and understanding of cancer over the decades， and giving the reader just the right amount of information to make their own conclusions and to do their own further research。 A must read for all curious clinicians， those battling with cancer， and for the general populatio I have read several books on cancer， and this book is one of the best I have seen thus far。 The best and most unique parts of the book are the explanation of cancer as a systemic and metabolic disease， highlighting the history of and understanding of cancer over the decades， and giving the reader just the right amount of information to make their own conclusions and to do their own further research。 A must read for all curious clinicians， those battling with cancer， and for the general population that wants to make lifestyle related choices to minimize the risk of cancer。 Brilliant book， well written。 Great work！ 。。。more
Alex Vandra
，
Talentul lui JF este sa structureze si sa prezinte foarte bine informatia。 Asta e important mai ales cand e vorba despre un subiect atat de amplu。Foarte bun！ Merita 6 stele！
Osteina Gem
，
It's an enlightening book。 Someone really close to me died of cancer。 I was reading it when he was still going through his chemo。 This book explained a lot of things and helped me understand a lot about Cancer。 It's an enlightening book。 Someone really close to me died of cancer。 I was reading it when he was still going through his chemo。 This book explained a lot of things and helped me understand a lot about Cancer。 。。。more
Jesse
，
This book is largely fantastic and I have little to say in complaint。 Dr。 Fung provides an easy-to-understand analysis of three paradigms of cancer。 He goes beneath the surface just far enough to provide a deeper understanding of cancer as a disease， without ending up in the weeds where he would lose a reader without an MD at the end of their name。He claims to offer a new way of seeing the origins of cancer。 The foundations for such are based in evolutionary biology and make a lot of sense。 I th This book is largely fantastic and I have little to say in complaint。 Dr。 Fung provides an easy-to-understand analysis of three paradigms of cancer。 He goes beneath the surface just far enough to provide a deeper understanding of cancer as a disease， without ending up in the weeds where he would lose a reader without an MD at the end of their name。He claims to offer a new way of seeing the origins of cancer。 The foundations for such are based in evolutionary biology and make a lot of sense。 I think a similar perspective has been around for a while， but largely ignored。 Fung highlights it and embraces it as the key to the next phase in cancer research progress。 tI learned a lot of new things from this book， most of them terrifying。 Even a small amount of weight gain increases your risk of cancer。 Many vitamins and supplements increase your risk。 Cancer can hide out in your body for decades undetected and one day just start doing serious damage。 Many cancer screenings may be more harmful than beneficial。 tHis ultimate conclusions were thought-provoking， but left me without the optimism I’d have hoped for。 Fung is short on big solutions to win a fight against cancer in general。 This isn’t really a criticism because it’s hard not to come away with the idea that maybe there isn’t a big solution。 He proffers immunotherapy as possibly the next big thing， but offers scant proof to support any real “big picture” excitement。tHis section on dietary concerns was pretty weak。 He essentially says maybe green tea could help prevent cancer， but that’s about it。 The research supports far more than that and， at a minimum， there should have been more food （pun intended） for thought provided。 tHe made an impression though。 I started intermittent fasting again today。 。。。more
Becky L Long
，
Audiobook read by Brian Nishii。 Omg this book is amazing。 I love all of Jason Fung's books。 He's one of a handful of authors that I read everything he writes。 He is the master at bringing complex ideas down to lay person language。 He is a master of analogies。 This will be my go to recommended book about the latest cancer research and general book recommendation。 Drop what you're reading and go get this book now。 Available on Scribd as of this review！ Audiobook read by Brian Nishii。 Omg this book is amazing。 I love all of Jason Fung's books。 He's one of a handful of authors that I read everything he writes。 He is the master at bringing complex ideas down to lay person language。 He is a master of analogies。 This will be my go to recommended book about the latest cancer research and general book recommendation。 Drop what you're reading and go get this book now。 Available on Scribd as of this review！ 。。。more
Donna
，
Outstanding book， would recommend to everyone who has been touched by cancer。 Although difficult at times （ understanding the physiology， and thinking of family with cancer）， the education received from this book was just jaw dropping。 A whole new way of understanding WHY cancer is。 Wow。
Marcel
，
I really thought I understood Cancer well enough before this book， but it proved me so wrong。 Turns out I knew so little。 Now it all make so much more sense in my head。 This book even got me thinking about Cancer in a new way long after I finished reading it。
Eric
，
Very interesting to read but not as much practical application as I found in his other books that were targeted toward obesity rather than cancer。
Michael W。 Singer
，
Another excellent book by Dr fungI have read all of Jason Fund's books。 He gives us great history and insights into Cancer。 I will be using this information wit my doctor。 thanks 。。 I will be waiting for your next book Another excellent book by Dr fungI have read all of Jason Fund's books。 He gives us great history and insights into Cancer。 I will be using this information wit my doctor。 thanks 。。 I will be waiting for your next book 。。。more
Dorothy
，
If you do not want cancer or have cancer this book is a MUST read。We wished we could have read this book six years ago。 It’s a cancer game changer。My husband had stage four pancreatic cancer six years ago。 We attribute his remarkable remission partly to what Dr Fung talks about lengthily in his book。 The Warburg Effect。What he claims in his book is true。 Amazing book！
Lauren
，
This was a。 very interesting read。 After pointing out the genetics played a smaller role than lifestyle/environment- I felt Fung was a bit short in info on what to do， to decrease risk。
aysenur
，
I am glad I read it。 It answers so many questions。 A bit technical， sometimes hard to follow but definitely a worthy read。
Thomas Pyzdek
，
Dr。 Fung is an iconoclast and the Isaac Asimov of our time。 Using science and logic he has taken on the major health issues of our time: obesity， type II diabetes and now cancer。 In each case he began with the accepted status quo and shown them to be false and incomplete。 Then， using facts and data， he builds the case for a new vision of hope in a calm and non-accusatory voice/writing style。 Dr。 Fung is a gift to this generation。
Prashant Goyal
，
Well， other reviewers have written about the what the book is all about， how it progresses。 So let me say something about how it is written。As it was intended to inform a layperson about the history of cancer research and why/how of this zealot disease， it can be quite repetitive， I mean quite a lot。 It could be well about 60-70% of its current length。Second， as he sometimes berates the dogmatic beliefs of scientific community to put their efforts on a particular course for the understanding of Well， other reviewers have written about the what the book is all about， how it progresses。 So let me say something about how it is written。As it was intended to inform a layperson about the history of cancer research and why/how of this zealot disease， it can be quite repetitive， I mean quite a lot。 It could be well about 60-70% of its current length。Second， as he sometimes berates the dogmatic beliefs of scientific community to put their efforts on a particular course for the understanding of the diseases， but the current accepted understanding of cancer has a lot to do with all those wrong hypothesis scientists proposed over the years and he tells us that。 I don't know I am just saying， it sounded a little hypocritical。 I don't even know if it should be even in a review。I can't emphasize it enough， read this book。 If you are fan of popular biology/medicine books， read this。 If you just read non fiction， read this。 If you want to know about one of the deadliest diseases in the history， read this。 Just read this book。 。。。more
Alicia Bonk
，