World Solve — A living repository of problems worth solving.

What World Solve is

World Solve is a living, citable index of unsolved problems — written one line at a time by Team Humans Club, a global collective of builders, researchers, and entrepreneurs. We do not solve the problems here. We Democratize Innovation.

For builders Skip the search for a problem worth your time. Browse a vetted, growing list and start where the gap is real.

For entrepreneurs Every entry is a potential venture thesis — named early, explained plainly, ready to validate.

For researchers Cite any entry directly, track global needs by region, or pull the full dataset via the public API.

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We can't fully explain why obesity is so hard to treat long-term for most people.

open Global / Unspecified, Global

Diet and exercise advice hasn't solved the obesity epidemic, and the biological reasons weight loss is so hard to sustain remain only partly understood. A deeper understanding could lead to treatments that actually last.

WS00069 · Logged by Administrator on 2026-07-18T19:28:29Z · Working on: 0

Citation ID: WS00069 Title: We can't fully explain why obesity is so hard to treat long-term for most people. URL: https://www.worldsolve.org/index.php?api=problem&id=69

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1355 public problems
1355 open challenges
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