An official website of the United States government
September 29, 2026 Edition
News
Antiviral drug did not improve Long COVID symptoms
A clinical trial for Long COVID found that treating patients with a common antiviral drug for up to 25 days did not improve symptoms.
News
tRNA treatment may help restore cystic fibrosis proteins
Lipid nanoparticles delivering engineered transfer RNA restored functional proteins in cell and animal models of cystic fibrosis.
News
Bacterial infection may alter developing gut
C. difficile bacteria caused lasting changes to cells in the intestines of newborn mice.
Displaying 617 - 623 of 912
Stopping scar tissue improves healing after heart attack in mice
Mice deficient in a certain protein formed larger scars after a heart attack and had worse heart function. The study suggests an approach to improve heart function after heart attack.
Experimental coronavirus vaccine is safe and produces immune response
Early results from the first COVID-19 vaccine candidate tested in people showed that it triggered an immune response against the virus with no serious side effects.
Exercise-induced protein may reverse age-related cognitive decline
Researchers found that an exercise-induced protein may restore age-related loss of memory and new brain cell growth.
Faster, better images from cutting-edge microscopes
New techniques dramatically reduced the time needed to process complex images from fluorescence microscopes and also improved their quality.
Advanced imaging reveals structure of tooth enamel
Advanced imaging techniques gave insight into the detailed structure of tooth enamel crystals. The findings could lead to new approaches to prevent or reverse cavities.
DNA changes linked to endometriosis
Researchers found changes to DNA in the uterine cells of women with endometriosis that weren’t seen in women without the condition.
Potent antibodies found in people recovered from COVID-19
Although most people who recovered from COVID-19 had low levels of antibodies to SARS-CoV-2 in their blood, researchers identified potent infection-blocking antibodies.