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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.
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Bacterial infection may alter developing gut
C. difficile bacteria caused lasting changes to cells in the intestines of newborn mice.
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Quick test could help reduce dementia care disparities
A five-minute, culturally neutral test for cognitive problems improved dementia detection and management in older adults.
Xylitol may affect cardiovascular health
Higher blood levels of the artificial sweetener xylitol were associated with increased risk of heart attack and stroke in people.
Drug causes reversible male contraception in mice
Scientists created a compound that causes reversible contraception in male mice.
Scientists map gene-regulating networks in human brain
Researchers created massive, advanced maps of the complex networks that regulate gene function in the brains of people with and without mental disorders.
Providing lasting protection from peanut allergy
Children who regularly ate peanut-containing foods early in life had a greatly reduced risk of developing peanut allergy into adolescence.
Gene variants and breast cancer risk in Black women
In the largest study of its kind, researchers identified genetic variants that appear to boost breast cancer risk among females of African ancestry.
Adrenal cell affects parental behavior in mice
Researchers traced differences in parental care between two mouse species to a new cell type in the adrenal glands.