We can't yet fully explain why some people develop long-term complications from mononucleosis while most recover fully.
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Health & Biology
Most people recover fully from mononucleosis, but a smaller group experiences prolonged fatigue and other symptoms for months afterward, and this difference isn't fully explained. Better understanding could improve care for this subset of patients.
Team Humans Club. (2026). Problem WS00626: We can't yet fully explain why some people develop long-term complications from mononucleosis while most recover fully.. World Solve. Retrieved 20 Jul 2026, from https://worldsolve.org/index.php?id=626
We don't have an effective, widely accessible way to treat chronic acid reflux that resists standard medication.
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Health & Biology
A subset of patients with chronic acid reflux don't find adequate relief through standard medication, leaving surgery as one of the few remaining options. A more effective non-surgical treatment remains needed.
Team Humans Club. (2026). Problem WS00625: We don't have an effective, widely accessible way to treat chronic acid reflux that resists standard medication.. World Solve. Retrieved 20 Jul 2026, from https://worldsolve.org/index.php?id=625
We haven't solved how to detect early signs of postpartum depression before symptoms become severe.
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Health & Biology
Postpartum depression is often only diagnosed once symptoms have already significantly affected a new parent's daily functioning. Earlier screening tools that catch warning signs sooner remain underdeveloped.
Team Humans Club. (2026). Problem WS00624: We haven't solved how to detect early signs of postpartum depression before symptoms become severe.. World Solve. Retrieved 20 Jul 2026, from https://worldsolve.org/index.php?id=624
We can't yet fully prevent the recurrence of urinary tract infections in women who experience them frequently.
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Health & Biology
Some women experience recurring urinary tract infections despite standard preventive measures like hydration and hygiene advice. A more targeted, effective prevention method remains an unmet need.
Team Humans Club. (2026). Problem WS00623: We can't yet fully prevent the recurrence of urinary tract infections in women who experience them frequently.. World Solve. Retrieved 20 Jul 2026, from https://worldsolve.org/index.php?id=623
We don't have an effective way to treat chronic jaw pain caused by temporomandibular joint disorders.
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Health & Biology
TMJ disorders can cause persistent jaw pain and dysfunction that current treatments, from mouthguards to surgery, don't reliably resolve for every patient. A more effective, universal treatment approach remains undeveloped.
Team Humans Club. (2026). Problem WS00622: We don't have an effective way to treat chronic jaw pain caused by temporomandibular joint disorders.. World Solve. Retrieved 20 Jul 2026, from https://worldsolve.org/index.php?id=622
We haven't found a way to prevent the long-term nerve damage caused by chemotherapy in many cancer patients.
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Health & Biology
A significant share of chemotherapy patients experience lasting nerve damage that causes pain, numbness, or weakness long after treatment ends. Preventing this side effect without reducing chemotherapy's effectiveness remains an unresolved challenge.
Team Humans Club. (2026). Problem WS00621: We haven't found a way to prevent the long-term nerve damage caused by chemotherapy in many cancer patients.. World Solve. Retrieved 20 Jul 2026, from https://worldsolve.org/index.php?id=621
We can't yet fully explain why some people develop chronic complications from otherwise routine dental infections.
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Health & Biology
Untreated or poorly managed dental infections can occasionally lead to serious complications elsewhere in the body, and predicting which cases are at higher risk remains imprecise. Better understanding could improve both dental and general health outcomes.
Team Humans Club. (2026). Problem WS00620: We can't yet fully explain why some people develop chronic complications from otherwise routine dental infections.. World Solve. Retrieved 20 Jul 2026, from https://worldsolve.org/index.php?id=620
We don't have an effective way to prevent the recurrence of bronchitis in people who experience it chronically.
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Health & Biology
Chronic bronchitis can flare repeatedly despite standard treatment, especially in people with ongoing exposure to irritants like smoke or pollution. A more effective long-term prevention strategy remains needed.
Team Humans Club. (2026). Problem WS00619: We don't have an effective way to prevent the recurrence of bronchitis in people who experience it chronically.. World Solve. Retrieved 20 Jul 2026, from https://worldsolve.org/index.php?id=619
We haven't solved how to make effective mental health screening a routine part of primary care everywhere.
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Health & Biology
Mental health conditions often go undiagnosed simply because they're never screened for during regular medical visits, especially in areas with limited specialist access. Making mental health screening as routine as blood pressure checks remains an unmet global health goal.
Team Humans Club. (2026). Problem WS00618: We haven't solved how to make effective mental health screening a routine part of primary care everywhere.. World Solve. Retrieved 20 Jul 2026, from https://worldsolve.org/index.php?id=618
We can't yet fully prevent the recurrence of pneumonia in elderly patients with weakened immune systems.
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Health & Biology
Older adults with weakened immune systems remain at ongoing risk of repeated pneumonia infections despite vaccination and preventive care, and current prevention strategies only partially reduce this risk. A more effective, targeted approach remains needed.
Team Humans Club. (2026). Problem WS00617: We can't yet fully prevent the recurrence of pneumonia in elderly patients with weakened immune systems.. World Solve. Retrieved 20 Jul 2026, from https://worldsolve.org/index.php?id=617
We don't have an effective, widely available way to treat chronic post-concussion syndrome.
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Health & Biology
Some patients continue experiencing symptoms like headaches, dizziness, and cognitive difficulty for months after a concussion has otherwise healed, and treatment options for this lingering syndrome remain limited. A more effective, targeted treatment remains undeveloped.
Team Humans Club. (2026). Problem WS00616: We don't have an effective, widely available way to treat chronic post-concussion syndrome.. World Solve. Retrieved 20 Jul 2026, from https://worldsolve.org/index.php?id=616
We haven't found a reliable way to prevent the recurrence of febrile seizures in young children prone to them.
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Health & Biology
Some children experience repeated seizures triggered by fever, and current prevention strategies remain limited mostly to managing fever itself rather than addressing the underlying seizure susceptibility. A more effective prevention approach remains needed.
Team Humans Club. (2026). Problem WS00615: We haven't found a reliable way to prevent the recurrence of febrile seizures in young children prone to them.. World Solve. Retrieved 20 Jul 2026, from https://worldsolve.org/index.php?id=615
We can't yet fully explain why some people develop severe reactions to insect stings while most don't.
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Health & Biology
Severe allergic reactions to insect stings can be life-threatening, and predicting who is at risk before a first severe reaction occurs remains difficult with current medical knowledge. Better prediction could help prevent dangerous, sometimes fatal reactions.
Team Humans Club. (2026). Problem WS00614: We can't yet fully explain why some people develop severe reactions to insect stings while most don't.. World Solve. Retrieved 20 Jul 2026, from https://worldsolve.org/index.php?id=614
We don't have an effective way to prevent the chronic joint damage caused by untreated psoriatic arthritis.
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Health & Biology
Psoriatic arthritis can cause lasting joint damage if not treated early and effectively, yet diagnosis is sometimes delayed because symptoms can be mistaken for other conditions. Faster diagnosis and more effective early treatment remain an unmet need.
Team Humans Club. (2026). Problem WS00613: We don't have an effective way to prevent the chronic joint damage caused by untreated psoriatic arthritis.. World Solve. Retrieved 20 Jul 2026, from https://worldsolve.org/index.php?id=613
We haven't solved how to detect and treat postpartum cardiomyopathy early enough to prevent serious complications.
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Health & Biology
This rare but serious heart condition can develop around childbirth and is sometimes missed or diagnosed late because its symptoms can resemble normal postpartum fatigue. Faster, more reliable detection remains an important unmet need.
Team Humans Club. (2026). Problem WS00612: We haven't solved how to detect and treat postpartum cardiomyopathy early enough to prevent serious complications.. World Solve. Retrieved 20 Jul 2026, from https://worldsolve.org/index.php?id=612
We can't yet fully prevent the recurrence of bacterial vaginosis in women who experience it chronically.
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Health & Biology
Recurrent bacterial vaginosis affects a meaningful share of women despite standard treatment, suggesting current approaches don't fully address the underlying imbalance causing it. A more effective long-term prevention method remains needed.
Team Humans Club. (2026). Problem WS00611: We can't yet fully prevent the recurrence of bacterial vaginosis in women who experience it chronically.. World Solve. Retrieved 20 Jul 2026, from https://worldsolve.org/index.php?id=611
We don't have an effective way to prevent the chronic fatigue that sometimes follows major surgery.
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Health & Biology
Some patients experience persistent fatigue for months after major surgery that goes beyond typical recovery time, and the reasons for this aren't fully understood. Better prevention and treatment of post-surgical fatigue remains an underexplored area.
Team Humans Club. (2026). Problem WS00610: We don't have an effective way to prevent the chronic fatigue that sometimes follows major surgery.. World Solve. Retrieved 20 Jul 2026, from https://worldsolve.org/index.php?id=610
We haven't found an effective, affordable way to treat elephantiasis in all the regions where it remains endemic.
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Health & Biology
This disfiguring and disabling condition continues to affect millions in tropical regions, and while some treatments exist, access remains inconsistent and the underlying infection prevention needs further improvement. Closing this gap remains an ongoing global health priority.
Team Humans Club. (2026). Problem WS00609: We haven't found an effective, affordable way to treat elephantiasis in all the regions where it remains endemic.. World Solve. Retrieved 20 Jul 2026, from https://worldsolve.org/index.php?id=609
We can't yet fully explain why some people develop chronic complications from otherwise mild cases of COVID-19.
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Health & Biology
A portion of people who had only mild initial COVID-19 symptoms went on to develop long-lasting complications, while many with more severe initial illness recovered fully. Understanding this mismatch remains an important open research question.
Team Humans Club. (2026). Problem WS00608: We can't yet fully explain why some people develop chronic complications from otherwise mild cases of COVID-19.. World Solve. Retrieved 20 Jul 2026, from https://worldsolve.org/index.php?id=608
We don't have a reliable way to detect early kidney damage caused by high blood pressure before it becomes serious.
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Health & Biology
High blood pressure can silently damage the kidneys over years before any symptoms appear, and by the time damage is detected, it's often already significant. Earlier, more sensitive detection methods remain an unmet need.
Team Humans Club. (2026). Problem WS00607: We don't have a reliable way to detect early kidney damage caused by high blood pressure before it becomes serious.. World Solve. Retrieved 20 Jul 2026, from https://worldsolve.org/index.php?id=607