This is a very important question (and a difficult one to speak about publicly, for understandable reasons, including here on reddit) that an increasing number of people will be asking in the months and years (I'm not confident we have decades) ahead.
Some worthwhile resources on the subject...
Death as Natural, Generative, and No Less Sacred Than Life:
http://thegreatstory.org/death-programs.html
My basic view: "Death: Sacred, Necessary, Real":
http://www.huffingtonpost.com/rev-michael-dowd/a-scientific-honoring-of-death_b_1556839.html
A fabulous documentary on Stephen Jenkinson's approach to mortality/death:
"Griefwalker": http://www.nfb.ca/film/griefwalker
A New York Magazine article that my wife and I resonate with…
http://nymag.com/news/features/parent-health-care-2012-5/
A PBS Frontline special...
http://video.pbs.org/video/2304058290/
How Doctors Die: An ICU Nurse Responds - written by my wife's niece, Halsey Barlow:
http://evolutionarytimes.org/index.php?id=7246259762176651991
BOOKS
"Die Wise: A Manifesto for Sanity and Soul": https://www.amazon.com/Die-Wise-Manifesto-Sanity-Soul/dp/1583949739/
"The Best Way to Say Goodbye: A Legal Peaceful Choice at the End of Life": https://www.amazon.com/Best-Way-Say-Goodbye-Peaceful/dp/1933418036/
"The Peaceful Pill Handbook": http://www.peacefulpillhandbook.com Also: https://www.amazon.com/Peaceful-Pill-Handbook-2020-Amazon/dp/B08DC5VWH8
"How to Get the Death You Want: A Practical and Moral Guide": https://www.amazon.com/How-Get-Death-You-Want/dp/0942679407