The most comprehensive approach to me looks like the one Aubrey de Grey .
Read Ending Aging by Aubrey de Grey
I just found this post otherwise I wouldn't have made my recommendation of Ending Aging in a separate one but I'll put it here too:
I recently watched Pewd's video in which he reviewed Life 3.0 by Max Tegmark, and I think he could enjoy another book about the future: Ending Aging , by Aubrey de Grey. Even if it was published in 2007, the strategy outlined there is recently spreading like wildfire both in research institutions and emerging private companies. The topic needs a lot more public awareness though, since many key research institutions rely on philanthropy. The world should also be prepared in advance to face an end to aging in this generation's lifetime but at the same time we should strive to accelerate the process to save as many people's lives as possible (2/3 of all deaths in the world currently are due to aging and age related decline).
For an introduction watch this Aubrey de Grey's TED Talk, and this and this Kurzgesagt's videos.