Originally posted by Blake
Parasites tend to be pretty good about not killing their hosts though, most do this through "deliberately" sabotaging their reproductive success. If you look at the life cycles of certain parasites, they can be downright contrived. If parasites could reproduce inside their primary host they would quickly kill the host and hence end their genetic linage, hence the only parasites which survive are ones with contrived life cycles.
Cancer does destroy it's host, cancer is something which expands beyond reason, self-propagation being an ends upon itself, the expansion disregards well-being of the organism and host.
Parasites tend to be pretty good about not killing their hosts though, most do this through "deliberately" sabotaging their reproductive success. If you look at the life cycles of certain parasites, they can be downright contrived. If parasites could reproduce inside their primary host they would quickly kill the host and hence end their genetic linage, hence the only parasites which survive are ones with contrived life cycles.
Cancer does destroy it's host, cancer is something which expands beyond reason, self-propagation being an ends upon itself, the expansion disregards well-being of the organism and host.
Furthermore humans are very very adaptable. Cancers can only adapt to short term conditions and therefore cannot modify the host to achieve mutual sustainability. Parasites can only adapt to long term changes and have little to no short term adaptability.
Both comparisons are horrible.
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