Describe the physical changes required in the body which would need to happen in order for our bodies to live forever. Changes like telomerase activity, collagen flexibility, environmental changes, role of the immune system, DNA repair enzymes: these all come into play.
Construct a short list (not to exceed 100 carefully selected words together) which will answer the above question. Number the (3) sentences (changes) so that they take the form of a list, not a paragraph.