Tuesday, December 29, 2020
Friday, December 18, 2020
18 December 2020: Curing Cancer, Part 2 – Adult versus childhood cancer
My next short essay in my "Curing cancer" blog is at https://natpernickshealthblog.wordpress.com/2020/12/15/curing-cancer-part-2-adult-versus-childhood-tumors .
To cure adult cancers of the lung, colon, pancreas, breast, etc., I suggest we try to emulate our success with curing cancer in children and young adults by using even larger combinations of treatments and enrolling more patients in clinical trials.
Email comments or questions to NatPernick@gmail.com .
Friday, November 13, 2020
13 November 2020: COVID-19 dangers increase in Michigan
In the past month, the risk of COVID-19 infection, hospitalization and death has markedly increased in Michigan. A good source for trends is available at the Michigan COVID-19 dashboard: https://www.bridgemi.com/michigan-coronavirus-dashboard-cases-deaths-and-maps.
To reduce my own risk, I review this document from the Arizona Department of Public Health: http://www.pathologyoutlines.com/site/covid-19-risk-factors-index-circle-8-5x11.pdf.
I too would like to be able to eat in restaurants and be with other people, but it's more important to preserve my own health and that of those I come in contact with.
If you have any suggestions to make this ordeal easier, let us know.
Saturday, September 19, 2020
18 September 2020: COVID-19 Risks
This chart is apparently from the Arizona Department of Health Services, although I can't find it on their website:
Sunday, July 5, 2020
5 July 2020: Reducing COVID-19 deaths
Every day, over 1,000 Americans die from COVID-19 because Donald Trump is President instead of Michael Pence. Even with a new president starting on 20 January 221, this may total 250,000 unnecessary deaths of Americans. As a pathologist, I am sickened about this needless loss of life because our President is a public health menace. For this reason, I am calling on Donald Trump to resign and urging others to act similarly.
I grew up in the generation after the Holocaust. When I read and studied about it during my formative years, I swore that I would not stand by and do nothing while innocents died.
It is important to me to act as responsibly as I can in the face of this crisis. I know that my actions will likely not be determinative. But when I reflect on the massive American deaths from COVID-19, I will know that I tried to do something about it, instead of just waiting.
I also know something that many of you do not. What we do has an impact, even if unnoticed. Every grain of sand dropped on a sandpile changes its internal structure slightly, and at some point, when enough grains of sand accumulate, the sandpile will topple. We cannot know which grain of sand will be enough, but all are important. Thus, we should act. Doing nothing does not help. This view of how nature works is called self organized criticality, and was developed by the late Danish physicist Per Bak, see https://en.wikipedia.org/wiki/Per_Bak, https://www.amazon.com/How-Nature-Works-self-organized-criticality/dp/038798738X.
So, you are welcome to ignore my efforts or to ridicule them. But you may want to think what your contribution should be, or could be, to help end this tragedy.
Friday, July 3, 2020
3 July 2020: COVID-19 thoughts
First, it is interesting how people are offended at disclosing their presence at a party but I have not heard about difficulties in contact tracing for reportable sexually transmitted disease (of note, STD tracing experts are now working on COVID-19 tracing).
Second, although I understand (but don't approve) of people going to large parties even though prohibited, I cannot understand people who know they are sick going to these parties:
* The party’s host, who was showing signs of being sick at the time, later tested positive for the virus
* The first person from the party identified with the disease, was coughing and not wearing a face covering at the event.
What should we do to prevent sick people from going out in public?
Sunday, June 14, 2020
14 June 2020, Cancer and complexity science, Essay #1
Cancer and complexity science
Essay #1
14 June 2020
My research focuses on how cancer arises based on complexity theory. I find it helpful to write and talk about it, not just to physicians and scientists but to my friends, family and neighbors. In these essays, I will cover the highlights of my work. I welcome your comments or questions by replying below or emailing me at NatPernick@gmail.com.
What is complexity science, and why is it important in understanding cancer?
1. The war on cancer has failed.
It is important to acknowledge that the war on cancer, announced by President Nixon in 1971 (https://www.youtube.com/watch?v=peb47Z-jPqc at 15:03), has failed. Although cancer death rates have declined and survival is improving (https://www.cancer.org/content/dam/cancer-org/research/cancer-facts-and-statistics/annual-cancer-facts-and-figures/2020/cancer-facts-and-figures-2020.pdf), cancer will soon be the leading cause of US death (https://www.cdc.gov/pcd/issues/2018/18_0151.htm). When a major problem persists despite the expenditure of substantial resources, it may be due to a fundamental misunderstanding of its nature.
2. Traditional biologic thinking is inadequate to understand cancer.Traditional biology relies on reductionism, namely that the behavior of the whole is equal to the sum of the behavior of the parts. According to this view, life is merely a collection of sophisticated machine-like systems with an aggregation of their individual properties (https://pubmed.ncbi.nlm.nih.gov/18174892/). Reductionism is illustrated by my broken refrigerator. I neglected to vacuum the vents. This led to a buildup of heat in the refrigerator motor. It overheated and failed, causing the refrigerator to stop working. To solve this problem, the motor was replaced, the vent was cleaned, and to prevent a recurrence, I regularly vacuum the vents. The entire process is logical and predictable.
However, life functions as a complex system, not as a sophisticated machine. The properties of the entire system are greater than the sum of the properties of each part due to important interactions between the parts (http://natpernick.com/TheLawsJune2017.pdf). These interactions cause complex systems to exhibit many nontraditional properties.
(a) Complex systems have characteristics that often cannot be predicted, even with substantial knowledge. For example, protein function is based on three dimensional shape, but even if we know the amino acid sequence that determines the protein, we cannot predict how the protein will fold in three dimensions. We have to wait and see. In sickle cell disease, a single substitution of one nucleotide for another produces a marked change in the function of hemoglobin, which prevents red cells from bending when entering small blood vessels, causing severe pain and damaging organs. What will be the impact of a different mutation? It may be trivial or life threatening. We cannot predict because we don’t know how the resulting protein will fold and how it will interact with other proteins.
(b) This inability to predict may also be due to emergence, a bottom-up property due to agents that spontaneously self-organize. Larger entities arise through interactions among simpler entities and possess properties not found or even thought possible from the simpler entities. Water, for example, possesses properties completely different from hydrogen and oxygen. In biology, evolution uses existing structures, such as the jawbones, to build entirely different structures, such as the middle ear ossicles.
(c) Complex systems possess stability that makes them resistant to unwanted change under most circumstances. Our cells and organ systems can encounter a tremendous amount of biologic stress and still function well. This is due to “attractors”, a stable equilibrium state which develops even among networks that have components that are constantly in flux (https://pubmed.ncbi.nlm.nih.gov/19595782/). This explains why cancer arises only after decades of chronic biologic stress. But cancer cells themselves have attractors, which unfortunately makes them resistant to treatment.
(d) Finally, complex systems have adaptive properties that increase their survival in a changing environment. This explains why tumors may stop responding to treatment that initially is effective. Fortunately, my refrigerator does not evolve.
In summary, principles of complexity theory create a more robust framework for understanding the origins and dynamics of biologic systems, including cancer, and must be better understood if we are to significantly reduce the death and misery associated with this disease.
Future essays will provide more details on how life arises and how cancer disturbs the control mechanisms that typically maintain order.
Sunday, May 17, 2020
17 May 2020: How cancer arises from chronic inflammation, based on complexity theory
Sunday, April 12, 2020
12 April 2020: We should also practice "evil distancing"
What is evil distancing? Any prominent person, institution or media outlet that called the pandemic a hoax or downplayed its significance helped kill thousands of Americans who listened to them. There never was any actual medical controversy - they perverted the truth for unjustified reasons. As we think about rebuilding a post-pandemic society, I suggest we distance ourselves, to the extent possible, from those who did this evil.
Monday, March 23, 2020
23 March 2020: Ask Donald Trump to resign
https://www.nytimes.com/…/03/22/opin…/trump-coronavirus.html
There is an answer. Start a campaign pushing Trump to resign. He is not capable of leading at this time. I have no doubt Vice President Pence could do a better job if he did not have to worry about crossing Trump. I have written Trump to ask him to resign, but I am an "ordinary" citizen. Why not start a campaign, Mr. Leonhardt? It might work, or it might spur him to act.