Max Roser (2024) - “Many of us can save a child’s life, if we rely on the best data” Published online at OurWorldInData.org. Retrieved from: 'https://ourworldindata.org/many-us-can-save-childs-life-rely-best-data' [Online Resource]
Interesting visualization from the same source:
If you cut something out, then you can't have diseases on this part anymore, but it doesn't mean it's a health benefit overall. I used the leg example to make the idea more obvious.