Låter som om det kan vara The Gentle Seduction av Marc Stiegler .
Det har nanoteknologi som läker människors sjukdomar:
She started to climb the Mountain, but it was too much for her: she huffed and puffed and had to go home. Annoyed, she went to the drug store and bought another capsule, one that restored her circulatory system and her lungs.
One day as she skied across the slopes, a stranger passed her going the other way. He was tall and rugged, and he reminded her of her husband. She was annoyed that he did not even look at her, though she had smiled at him; when she looked in the mirror upon returning home, she understood why. She was 95 years old; she looked like an old woman. It was ridiculous; fortunately it was easily fixed.
When she turned 115 she stabilized her physical appearance. Thereafter, she always appeared to be about the age of 32.
Människan kan utforska solsystemet:
She talked to her children, and her children's children, more often now; though they were spread from Mars to Mercury, they were but a thought away.
The discussion turned to the family's upcoming expedition to Jupiter.
Och i slutet går hon tillbaka till jorden för att vandra på berget som hon brukade vandra med sin älskare
The day came to say goodbye to her oldest friend. With her wonderful old earth-born body, she returned to Earth to hike Rainier one last time: Rainier, whose surface lay so cold and eternal, was boiling within.