A Handsome, Rich, but Vain Movie Star Notices That He

A handsome, rich, but vain movie star notices that he is starting to age, and consults you as his astronomy expert, to see if you can find an astronomical way to slow down his aging. Putting aside practical considerations (such as the fact that we cannot travel to other stars) , which of the following strategies would IN THEORY allow him to age more slowly than the rest of humanity.

A) he should always live at sea level on Earth, and never go to any mountains or high altitudes
B) he should live far away from the gravity of any planet or star (in a deep-space station)
C) he should be in orbit around the Earth, and expose himself to as many cosmic rays as possible
D) he should travel to a black hole, and spend some time in orbit just above the event horizon
E) he should live in a room filled with positive electrical charge