Each answer resolves PROB to the percent attributable, based on scientific consensus in 2050. They will sum to 100%. This might be a little subjective so I won't trade on it.
https://www.goodreads.com/book/show/57906379-extra-life claims fertilizers, sanitation, and vaccines saved billions of lives each:
https://www.workersliberty.org/story/2022-01-25/20000-days-history-life-expectancy
Would fertilizers and pasteurization fall under diet?
also we need positions on a linked market to be linked so that your capital requirement is your max loss on the market instead of the sum of the positions, as I told @Gen at manifest
The main issue is the time value of money. With no interest and no loan system it’s not worth it to correct a 30% mispricing that doesn’t resolve for 26 years