November 25, 2025 Edition

Cash transfers to low-income mothers led to changes in their infants' brain activity.

A new technique identified rare immune cells found in patients’ tumors that can recognize and potentially kill cancer cells.

Studies found that COVID-19 vaccines elicit T cells that recognize the Omicron variant despite the many mutations in its spike protein.

Men in a rural jail who received medication to treat opioid use disorder had a reduced likelihood of being arrested or returning to jail or prison after release.

COVID-19 vaccination did not reduce the chances of conception in a study of more than 2,000 couples.

Infection with Epstein-Barr virus, scientists found, dramatically increased the odds of developing multiple sclerosis.

Researchers identified brain networks involved in planning responses during a conversation.

Researchers found cells in the small intestines of mice that communicate with the brain and influence the preference for sugar over artificial sweeteners.

Cigarette smokers who had no plans to quit were more likely to quit smoking cigarettes if they started using e-cigarettes.

Women who received COVID-19 vaccines had a less than one-day increase in the length of their menstrual cycles around the time of their doses.

People who ate a high-fiber diet and didn’t use over-the-counter probiotic supplements lived the longest after immunotherapy for melanoma.

A large nationwide study identified inexpensive interventions that boosted weekly gym visits by up to 27%.

Researchers identified genetic mutations associated with sudden unexplained death in children, or SUDC.

A novel HIV vaccine using mRNA technology was safe and reduced the risk of HIV-like infection in monkeys.

With NIH support, scientists across the United States and around the world conduct wide-ranging research to discover ways to enhance health, lengthen life, and reduce illness and disability. Groundbreaking NIH-funded research often receives top scien...

With NIH support, scientists across the United States and around the world conduct wide-ranging research to discover ways to enhance health, lengthen life, and reduce illness and disability. Groundbreaking NIH-funded research often receives top scien...

With NIH support, scientists across the United States and around the world conduct wide-ranging research to discover ways to enhance health, lengthen life, and reduce illness and disability. Groundbreaking NIH-funded research often receives top scien...

A drug called 4’-fluorouridine effectively treated both COVID-19 and respiratory syncytial virus, or RSV, in animals.

A small study found that eating only during the daytime prevented the high blood sugar linked to night shift work.

Findings of a new study support further investigation of sildenafil as a possible treatment for Alzheimer's disease.

Researchers found that cancer cells use straw-like nanotubes to siphon mitochondria from immune cells, essentially draining their energy.

Researchers identified brain cells that help suppress hunger and regulate food intake. The findings may help lead to better treatments for excessive eating and obesity.

In people who received two doses of the Moderna COVID-19 vaccine, levels of antibodies found in the blood correlated with protection against illness.

Researchers identified a brain receptor that links childhood nutrition to the timing of puberty and growth.

Researchers identified tiny pieces of protein produced by the body that could be synthesized and potentially developed into new antibiotics.

The discovery of an immune substance that sensitizes and enhances the activity of itch-sensing neurons suggests a treatment strategy for persistent itchy skin conditions.