Here's why tumors in our most precious organ are so rare:
1. Tumors grow when abnormal cells divide uncontrollably, but unlike cells in other organs, the ones in your heart do not split and multiply.
2. The only time heart cells divide is during fetal development.Extremely rare, some of those cells form tumors in the fetuses.
3. Around birth, the switch that controls whether heart cells divide turns off and remains off. Any tumors that existed in utero generally stop growing.
4. The heart is mostly made of muscle cells, and these expand in size but don't multiply.
5. The fact that the heart cells don't divide is good news when it comes to cancer but also means that after a heart attack, tissue cannot generate.
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Around birth, the switch that controls whether heart cells divide turns off and remains off. Any tumors that existed in utero generally stop growing.blog.cancerhelpline.in
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