We actually do know how much partial credit we get for solving particular diseases of aging, e.g. cancer or heart disease. The answer is “barely any”—someone with age-related cancer is very likely to have heart disease or Alzheimers or some other disease within a few years even if they survive the cancer.
That forgets that if you have a solution to cancers that locks up a bunch of other treatments which you currently can’t do because they are cancerous.
That forgets that if you have a solution to cancers that locks up a bunch of other treatments which you currently can’t do because they are cancerous.