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World Solve

A project of Team Humans Club
1355 problems catalogued
7 humans registered

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.
1355 total logged
1355 still open
0 marked solved
7 registered profiles

We haven't solved why fertility declines with age in ways current treatments only partially address.

open Global / Unspecified, Global

Fertility treatments like IVF help many people conceive, but success rates still drop significantly with age due to biological factors that current medicine can't fully reverse. Understanding and addressing this decline remains incomplete.

WS00486 · Logged by The Internet (the_lurker) on 2026-07-21T08:42:00Z · Working on: 0
Citation ID: WS00486 Title: We haven't solved why fertility declines with age in ways current treatments only partially address. URL: https://www.worldsolve.org/index.php?api=problem&id=486

We can't yet cure most inherited genetic disorders, only manage their symptoms.

open Global / Unspecified, Global

Conditions caused by a single faulty gene, from cystic fibrosis to muscular dystrophy, still mostly rely on symptom management rather than correcting the genetic cause itself. Gene therapy shows promise but remains far from a widely available cure.

WS00485 · Logged by The Internet (dev_null) on 2026-07-21T08:35:00Z · Working on: 0
Citation ID: WS00485 Title: We can't yet cure most inherited genetic disorders, only manage their symptoms. URL: https://www.worldsolve.org/index.php?api=problem&id=485

We don't have a reliable way to prevent the progression of chronic kidney disease in its early stages.

open Global / Unspecified, Global

Kidney disease often advances silently for years before symptoms appear, and by the time it's caught, treatment options are limited mainly to slowing further decline. Catching and reversing it earlier remains an open medical challenge.

WS00484 · Logged by The Internet (paper_trail) on 2026-07-21T08:28:00Z · Working on: 0
Citation ID: WS00484 Title: We don't have a reliable way to prevent the progression of chronic kidney disease in its early stages. URL: https://www.worldsolve.org/index.php?api=problem&id=484

We haven't found a way to stop osteoporosis from silently weakening bones until a fracture occurs.

open Global / Unspecified, Global

Bone density loss often goes unnoticed until a fall causes a serious fracture, by which point significant damage has already occurred. Better early detection and prevention could avoid many of these life-altering injuries.

WS00483 · Logged by The Internet (hello_world) on 2026-07-21T08:21:00Z · Working on: 0
Citation ID: WS00483 Title: We haven't found a way to stop osteoporosis from silently weakening bones until a fracture occurs. URL: https://www.worldsolve.org/index.php?api=problem&id=483

We can't yet reliably prevent the recurrence of kidney stones in people prone to developing them.

open Global / Unspecified, Global

Kidney stones are painful and prone to recurring, yet prevention methods remain limited mostly to general dietary advice rather than addressing individual underlying causes. More targeted prevention could spare patients repeated painful episodes.

WS00482 · Logged by The Internet (anon_1904) on 2026-07-21T08:14:00Z · Working on: 0
Citation ID: WS00482 Title: We can't yet reliably prevent the recurrence of kidney stones in people prone to developing them. URL: https://www.worldsolve.org/index.php?api=problem&id=482

We don't have an affordable, widely available treatment for tuberculosis strains resistant to standard drugs.

open Global / Unspecified, Global

Drug-resistant tuberculosis requires longer, more expensive, and more toxic treatment regimens that many patients in affected regions simply can't access or complete. This keeps a preventable disease deadly in the parts of the world least equipped to fight it.

WS00481 · Logged by The Internet (the_lurker) on 2026-07-21T08:07:00Z · Working on: 0
Citation ID: WS00481 Title: We don't have an affordable, widely available treatment for tuberculosis strains resistant to standard drugs. URL: https://www.worldsolve.org/index.php?api=problem&id=481

We haven't solved how to treat postpartum hemorrhage effectively in low-resource settings.

open Global / Unspecified, Global

Severe bleeding after childbirth remains one of the leading causes of maternal death worldwide, disproportionately in regions lacking access to blood transfusions and advanced medical care. Affordable, effective solutions for these settings remain limited.

WS00480 · Logged by The Internet (offline_mode) on 2026-07-21T08:00:00Z · Working on: 0
Citation ID: WS00480 Title: We haven't solved how to treat postpartum hemorrhage effectively in low-resource settings. URL: https://www.worldsolve.org/index.php?api=problem&id=480

We can't yet fully explain why chronic pain sometimes persists long after an injury has physically healed.

open Global / Unspecified, Global

Patients sometimes continue to experience pain months or years after the original injury has healed, suggesting the nervous system itself has changed in ways doctors don't fully understand. Solving this could transform treatment for chronic pain conditions.

WS00479 · Logged by The Internet (echo_chamber_no) on 2026-07-21T07:53:00Z · Working on: 0
Citation ID: WS00479 Title: We can't yet fully explain why chronic pain sometimes persists long after an injury has physically healed. URL: https://www.worldsolve.org/index.php?api=problem&id=479

We don't have a scalable way to detect early-stage lung cancer in people who've never smoked.

open Global / Unspecified, Global

Lung cancer screening guidelines are generally built around smoking history, but a meaningful share of cases occur in people who never smoked at all and often go undetected until later stages. Better screening approaches for this group remain underdeveloped.

WS00478 · Logged by The Internet (gray_matter) on 2026-07-21T07:46:00Z · Working on: 0
Citation ID: WS00478 Title: We don't have a scalable way to detect early-stage lung cancer in people who've never smoked. URL: https://www.worldsolve.org/index.php?api=problem&id=478

We haven't found a reliable cure for irritable bowel syndrome affecting a large share of the population.

open Global / Unspecified, Global

IBS causes chronic digestive discomfort for a significant portion of people worldwide, yet treatment options remain limited to symptom management rather than addressing root causes. The underlying biology is still not fully mapped out.

WS00477 · Logged by The Internet (paper_trail) on 2026-07-21T07:39:00Z · Working on: 0
Citation ID: WS00477 Title: We haven't found a reliable cure for irritable bowel syndrome affecting a large share of the population. URL: https://www.worldsolve.org/index.php?api=problem&id=477

We can't yet accurately predict which pregnancies will develop dangerous complications like preeclampsia.

open Global / Unspecified, Global

Preeclampsia can develop suddenly and seriously endanger both mother and baby, and current screening still misses many cases until symptoms are already severe. Earlier, more accurate prediction could prevent serious harm.

WS00476 · Logged by The Internet (field_notes) on 2026-07-21T07:32:00Z · Working on: 0
Citation ID: WS00476 Title: We can't yet accurately predict which pregnancies will develop dangerous complications like preeclampsia. URL: https://www.worldsolve.org/index.php?api=problem&id=476

We don't have a fully effective way to prevent hospital-acquired infections.

open Global / Unspecified, Global

Despite strict hygiene protocols, patients still frequently contract infections during hospital stays that they didn't have when they arrived. Closing this gap could save both lives and enormous healthcare costs.

WS00475 · Logged by The Internet (future_watch) on 2026-07-21T07:25:00Z · Working on: 0
Citation ID: WS00475 Title: We don't have a fully effective way to prevent hospital-acquired infections. URL: https://www.worldsolve.org/index.php?api=problem&id=475

We haven't solved why chronic migraines affect some people far more severely than others.

open Global / Unspecified, Global

Millions of people experience debilitating, unpredictable migraines that current treatments only partially control, and the underlying biological triggers remain incompletely understood. More precise treatment based on individual causes remains out of reach.

WS00474 · Logged by The Internet (field_notes) on 2026-07-21T07:18:00Z · Working on: 0
Citation ID: WS00474 Title: We haven't solved why chronic migraines affect some people far more severely than others. URL: https://www.worldsolve.org/index.php?api=problem&id=474

We can't reliably regenerate damaged cartilage in joints without surgery.

open Global / Unspecified, Global

Cartilage has very limited ability to heal itself, which is why joint damage from injury or arthritis often leads to chronic pain or eventual joint replacement. Better regeneration methods could delay or eliminate the need for many of these surgeries.

WS00473 · Logged by The Internet (anon_1904) on 2026-07-21T07:11:00Z · Working on: 0
Citation ID: WS00473 Title: We can't reliably regenerate damaged cartilage in joints without surgery. URL: https://www.worldsolve.org/index.php?api=problem&id=473

We don't have an effective way to prevent hearing loss caused by long-term noise exposure.

open Global / Unspecified, Global

Once noise-induced hearing damage occurs, it's typically permanent, and prevention still relies mainly on avoiding loud environments rather than any biological protection. A way to protect or repair hearing cells could prevent widespread, irreversible damage.

WS00472 · Logged by The Internet (late_night_reader) on 2026-07-21T07:04:00Z · Working on: 0
Citation ID: WS00472 Title: We don't have an effective way to prevent hearing loss caused by long-term noise exposure. URL: https://www.worldsolve.org/index.php?api=problem&id=472

We haven't found a cure for tinnitus that works for most people who experience it.

open Global / Unspecified, Global

The constant ringing or buzzing sound of tinnitus affects millions of people, and current treatments mostly help patients cope rather than eliminate the underlying cause. A real cure remains undiscovered.

WS00471 · Logged by The Internet (stray_thought) on 2026-07-21T06:57:00Z · Working on: 0
Citation ID: WS00471 Title: We haven't found a cure for tinnitus that works for most people who experience it. URL: https://www.worldsolve.org/index.php?api=problem&id=471

We can't yet reliably treat postpartum depression before it causes lasting harm.

open Global / Unspecified, Global

Many new parents experience postpartum depression that goes undiagnosed or untreated for months, affecting both their wellbeing and their infant's early development. Faster detection and more accessible treatment remain unmet needs.

WS00470 · Logged by The Internet (gray_matter) on 2026-07-21T06:50:00Z · Working on: 0
Citation ID: WS00470 Title: We can't yet reliably treat postpartum depression before it causes lasting harm. URL: https://www.worldsolve.org/index.php?api=problem&id=470

We don't have a reliable way to prevent miscarriages in most cases where the cause is unknown.

open Global / Unspecified, Global

A large share of pregnancy loss has no clearly identifiable cause, leaving expecting parents without answers or ways to prevent it happening again. Understanding these unexplained cases remains a significant gap in reproductive medicine.

WS00469 · Logged by The Internet (future_watch) on 2026-07-21T06:43:00Z · Working on: 0
Citation ID: WS00469 Title: We don't have a reliable way to prevent miscarriages in most cases where the cause is unknown. URL: https://www.worldsolve.org/index.php?api=problem&id=469

We haven't solved endometriosis well enough to stop it from taking years to diagnose.

open Global / Unspecified, Global

Many patients with endometriosis experience years of unexplained pain before receiving an accurate diagnosis, largely because it's difficult to detect without invasive procedures. Better, faster diagnostic tools remain a major unmet need.

WS00468 · Logged by The Internet (citizen_of_earth) on 2026-07-21T06:36:00Z · Working on: 0
Citation ID: WS00468 Title: We haven't solved endometriosis well enough to stop it from taking years to diagnose. URL: https://www.worldsolve.org/index.php?api=problem&id=468

We can't yet grow functional replacement skin fast enough for patients with severe burns.

open Global / Unspecified, Global

Severe burn victims often face long, painful recoveries and permanent scarring because lab-grown skin grafts aren't yet fast or effective enough to fully replace damaged tissue. Faster, better regeneration methods could change burn treatment entirely.

WS00467 · Logged by The Internet (anon_1904) on 2026-07-21T06:29:00Z · Working on: 0
Citation ID: WS00467 Title: We can't yet grow functional replacement skin fast enough for patients with severe burns. URL: https://www.worldsolve.org/index.php?api=problem&id=467