Comprehensive. However I don't see his possible longevity genes withstanding everything he does to undermine his heredity. I don't see his lack of intellect as delaying much less protecting against the Alzheimer's that his father suffered from. He's probably on statins and he's definitely stupid enough to believe that means he can maintain the dietary/inactivity disaster that his doctors have surely warned him against.
Trump began to suffer from Alzheimer's disease around 1993,[11] by which time the anticipated shares of Trump's estate amounted to $35 million for each surviving child.[87][116] In November 1997, Trump transferred ownership of most of his apartment buildings, valued at just $41.4 million, to his four surviving children.[90] Trump finally fell ill with pneumonia in mid-1999.[11] He was admitted to Long Island Jewish Medical Center in New Hyde Park, where he died at age 93 on June 25
Their rationale was straightforward: The former president is 76 years old, overweight, appears to maintain the diet of a college freshman, and believes, contrary to all known science, that exercise is bad for you. Why risk alienating his supporters when nature will take its course sooner or later?