In the movie Charleston Heston is a cop in the future, his best friend is retiring and accepts a peaceful assisted suicide with full surround sound and orchestrated music graciously supplied to the public so that instead of sitting in retirement homes drawing a pension the elderly can die with honor, however the world has a severe food shortage and so to shorten the story here CH follows his friends body to a processing plant that grinds the bodies up into something like a PowerBar,
See the movie.
“Soylent Green is people”
In Mao’s China, families exchanged children so they wouldn’t have to eat their own.
It’s true — I’m not making a joke.