Why People Don't Get Heart Cancer
The most common cause of the death is heart disease. The second most common cause of death is cancer.
Cardiovascular diseases are the most common cause of death and cancer is the second most common. So why doesn't anybody die from heart cancer? On that note, why have we never heard of anybody getting heart cancer? Well the answer, good viewer, is that it's physically impossible for the heart to develop cancerous cells.
The most deadly forms of cancer are (in order):
Lungs with 1.76 million annual deaths; colon with 860,000 deaths; stomach with 783,000; liver with 782,000; and breast cancer with 627,000 deaths globally.
The answer is actually a lot simpler than you may think.
As discussed in the video on why tall people are more likely to get cancer, the disease arises when cells duplicate erroneously. The more often an organ’s cells divides, the greater the likelihood of a bad duplication and thus, the greater the likelihood of cancer developing.
The biggest difference the between the heart and all the cancer-developing organs is the speed of cellular duplication. You’ll notice on the list that the colon, stomach, and liver are the 2nd through 4th most common forms of deadly cancer. That’s because those three organs are notorious for rapidly going through cellular replacement.
The heart on the other hand… the heart is a muscle. Muscle fibers don’t divide. You have the same amount of muscle fibers right now as you did when you were a baby, and you’ll have the same amount when you’re on your death bed.
Assuming you manage to live your life without getting amputated that is....
(this also means Arnold Schwarzenegger has the same amount of muscle fibers now as he did when he was a baby!)
But this begs the question: if organs with that don’t divide don’t develop cancer, then how does brain cancer come about?
It’s true that the neurons in your brain will never divide. BUT neurons aren’t the cause of brain cancer. While neurons can’t divide, there other cells in the brain that can. Such as the glial cells. To quote Johns Hopkins, “Glial cells support and surround the brain”.
And when a person’s glial cells replicate incorrectly, they develop what’s known as Glioma. Which is the most common form of brain tumor, accounting for around 33% of all brain tumors.
Time stamps
0:00 intro
0:40 how cancer occurs
1:05 what the most common forms of cancer have in common
1:21 the heart is a muscle (the size of your fist)
1:33 what about brain cancer?
1:45 what exactly is brain cancer?
1:51 brain tumors
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