Eli5: How does cancer actually kill people?

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Like, I get the cancers that attack vital organs, like lung cancer, but, how exactly does, for example, skin or breast cancer?

In: Biology

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Anonymous 0 Comments

TLNGR:
people typically die from complications brought on by cancer. it interferes with proper functioning of a system/organ, shuts it down and leads to death. I guess that’s how anything kills us tho?

Most processes by the body are highly regulated, especially the process of cell division. It takes energy and may things can go wrong. Cancer is unregulated cell division, the cancer is multiplying on its own.

This takes up resources and energy, and cell-signaling molecules being are released. This which can affect different tissues and organs nearby, or cause chronic inflammation, which leads to complications

The immune system can come in to kill this cancer cell, some white blood cells can smell out those messenger chemicals and use them to find the cancerous cell so it can devour it. Most times it works, but there can be complications.

These reproduced cancer cells have the same identifying components as the rest of the body, so the immune system must target itself to kill the cancer. The immune system has something like a memory, and attacking “the self” also gets out of control/unregulated. Now auto-immune complications are involved.

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