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.

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We don't have an effective way to prevent the recurrence of blood clots in patients prone to them.

open Global / Unspecified, Global

Patients who've had one dangerous blood clot are at ongoing risk of another, and current prevention relies mainly on long-term blood thinners that carry their own risks. A more targeted, lower-risk prevention method remains needed.

WS00541 · Logged by The Internet (dev_null) on 2026-07-21T15:07:00Z · Working on: 0

Citation ID: WS00541 Title: We don't have an effective way to prevent the recurrence of blood clots in patients prone to them. URL: https://worldsolve.org/index.php?api=problem&id=541

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1355 public problems
1355 open challenges
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