Why can't a genetically sound human stay alive for an indefinite amount of time given all the ideal conditions?
13522
Are human bodies programmed to die?
154588
Living forever in D&D (via spells)?
142519
Uniqueness and Existence problem
83296
How does a Terminator's living tissue actually "live"?
9670
How can Professor Xavier be alive?
38335
Why aren't the zombies decomposed after all this time?
6565
What are the advantages and disadvantages of being in human form?
65023
Number of genes required to sustain life
113457
How come gas molecules don't settle down?
56324
How much heat can a human sustain?
43828
Why isn't a virus "alive"?
133957
Cell life: division for immortality or reproduction with aging
38798
What is the life expectancy of a Borg?
155340
Is Nothing actually imaginable?
37443
How can something happen when time does not exist?
57098
Is perpetual motion impossible?
69369
If I could stop ALL motion would I stop time?