Cancer cases could increase 77% as global population balloons. These types are most common. (chemotherapy, survival)
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The release of 2022 cancer data gives the latest look into which types of cancer are most prevalent around the world as population growth expects to drive global cases as much as 77% by 2050.
There were nearly 20 million new cancer cases and 9.7 million deaths from cancer in 2022, said the study published Thursday in the journal CA: A Cancer Journal for Clinicians, part of the American Cancer Society Journals. Findings were also disclosed by the World Health Organization in February.
Let's just hope, and pray, that newer, better and less debilitating treatments are soon found
There are 9 billion (9 x 10e 9) people in he world, and life expectancy is almost 100 yrs (10e2), so there are (9x10e9) / (10e2) = 90 million deaths each year. According to the data given, 1/10th of them are from cancer. Because population is growing, the number of cancer deaths will also grow, even if their proportion stays the same.
Their proportion may grow simply because improved technology will makes us aware of more cases and also fewer people will die of starvation, infection and heart disease. You gotta die of something.
The author's point is not nearly as impressive as he thinks it is.
Their proportion may grow simply because improved technology will makes us aware of more cases and also fewer people will die of starvation, infection and heart disease. You gotta die of something.
Some cancers are being diagnosed at much earlier stages where they can be treated relatively successfully and those patients go into remission for a long period (meaning they live a long time after the original diagnosis).
The number we need to look at is cancer rates... ie. the number of cancer cases per population. (which is going down btw)
If population increases - necessarily cases are going to go up. But if the rate of cancer per a certain amount of people doesn't go up then that means there isn't an issue.
Some cancers are being diagnosed at much earlier stages where they can be treated relatively successfully and those patients go into remission for a long period (meaning they live a long time after the original diagnosis).
It s not a simple calculation.
Are people living longer with cancer or do we just find it earlier so we know they have it longer? It's probably a little of each-- better, earlier diagnostic techniques and better treatment.
For some cancers, there has been little progress thru the years.....It's a shame anyone should have to die of cervical or colon cancer because early dx via appropriate screening has a nearly 100% cure rate.
The number we need to look at is cancer rates... ie. the number of cancer cases per population. (which is going down btw)
If population increases - necessarily cases are going to go up. But if the rate of cancer per a certain amount of people doesn't go up then that means there isn't an issue.
The mortality rate has been decreasing, incidence rate increasing.
For some cancers, there has been little progress thru the years.....It's a shame anyone should have to die of cervical or colon cancer because early dx via appropriate screening has a nearly 100% cure rate.
The same with breast cancer which can be detected at a very early stage.
The same with breast cancer which can be detected at a very early stage.
If only that were true. Check the data: 5 year survival is going up (is it better treatment or early dx/longer period of carrying the dx?) but mortality rate is changing very slowly over the last 40 yrs. Quality of life after dx improved greatly 40y/a when it was realized that simple lumpectomy with chemo &/or radiation was just as good as radical mastectomy.
Torturing the numbers aside, I bet women who diligently get their screening done have more peace of mind than those who find out too late that they should have been more diligent.
If only that were true. Check the data: 5 year survival is going up (is it better treatment or early dx/longer period of carrying the dx?) but mortality rate is changing very slowly over the last 40 yrs. Quality of life after dx improved greatly 40y/a when it was realized that simple lumpectomy with chemo &/or radiation was just as good as radical mastectomy.
Torturing the numbers aside, I bet women who diligently get their screening done have more peace of mind than those who find out too late that they should have been more diligent.
I think it depends at what stage exactly one is diagnosed and that makes all the difference.
Also nowadays I believe early diagnosis of Hodgkin's Disease also has very good long term survival rates.
Chemotherapy was first developed to treat the leukemia/lymphoma malignancies. That was about 60 y/a. Prior to that, those dx's were essentially death sentences. Now, with chemo, survival rates are greatly improved.
While radiation tx and chemo have improved their side effect rate a lot, mortality rates for most cancers is still progressing disappointingly slowly. With the current paradymes of surgery/chemo/radiation, we've reached the point of diminishing returns....Hopefully the newest paradymes of gene directed therapy and antibody therapies will get things moving again.
We'll never find "a" cure for cancer anymore than we'll find a single cure for all infections. Each type of cancer in general, and maybe even each pt's individual cancer, is a unique disease and may require a tailor made treatment for each pt.
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