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 your legs, it will prevent leg diseases too, how does the study consider this bias?
How does cutting off your legs and circumsision compare?
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.