NIH Research Matters

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August 16, 2022 Edition

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Ultrasound imaging gets small and wearable

Scientists created a wearable ultrasound device—about the size of a postage stamp—that can continuously image inside the body for at least two days.

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Illustration of nanoparticle vaccine with numerous different colored regions

Fighting current and future coronaviruses with a single vaccine

An experimental vaccine produced an immune response to a range of different coronaviruses in mice and monkeys, including SARS-CoV-2.

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Restoring cell and organ function after the heart stops

Researchers restored cellular function in a pig’s organs more than an hour after its heart stopped.

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Diagnosing hidden hearing loss

July 26, 2022 — Researchers developed a method, based on word recognition, to estimate a loss of nerve functioning in the inner ear that can cause hearing problems.
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Tracking SARS-CoV-2 variants in wastewater

July 26, 2022 — A system that combined advanced sample preparation with powerful computer analysis was able to identify individual SARS-CoV-2 variants in wastewater.
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Understanding how sound suppresses pain

July 26, 2022 — Scientists used mice to identify brain circuits through which sound can blunt pain.
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Exercise-induced molecule reduces obesity in mice

July 12, 2022 — Researchers found that a molecule produced during exercise by various mammals, including people, reduces food consumption and obesity in mice.
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Cyberbullying linked with suicidal thoughts and attempts in young adolescents

July 12, 2022 — Young adolescents who experienced cyberbullying had an increased risk of suicidal thoughts or attempts.
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Aging insights from reptiles and amphibians

July 12, 2022 — Researchers identified patterns in the aging rates and longevity of reptiles and amphibians that suggest how these traits evolved.
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Long COVID symptoms linked to inflammation

June 28, 2022 — Prolonged inflammation after SARS-CoV-2 infections caused permanent damage to lungs and kidneys, affected the brain, and correlated with behavioral changes in hamsters, suggesting a mechanism for the symptoms of Long COVID in people.
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Using viruses to treat antibiotic-resistant bacterial infections

June 28, 2022 — In several patients, treatment of bacterial lung infections with viruses called phages eliminated the infection.
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Brain cells that control sickness symptoms

June 28, 2022 — Researchers identified a group of neurons in mice that trigger sickness symptoms, such as fever and loss of appetite, in response to infections.