Vaccination

FDA shortens time to booster after Moderna vaccine to 5 months

(HealthDay)—Citing the rapid spread of the Omicron variant and the need for protection against it, U.S. federal health officials are shortening the recommended time between the second dose of the Moderna vaccine and a booster ...

Diseases, Conditions, Syndromes

What we know about the omicron variant

While the delta variant continues causing a surge of COVID-19 cases and hospitalizations in the United States, epidemiologists around the world are trying to learn as much as they can as quickly as they can about omicron, ...

Health

Pandemic precautions may have long-term effects on our microbiome

In recent years, scientists like the University of Delaware's Melissa Melby have been sounding the alarm about what is sometimes called "the hygiene hypothesis"—the effect of intensive sanitizing and increased use of antibiotics ...

Neuroscience

Researchers boost human mental function with brain stimulation

In a pilot human study, researchers from the University of Minnesota Medical School and Massachusetts General Hospital show it is possible to improve specific human brain functions related to self-control and mental flexibility ...

Immunology

A tiny molecule with a big impact

Nitric oxide (NO) occurs naturally in the human body as a messenger substance. It is considered an all-rounder, as it performs numerous important regulatory functions, including immune defense against pathogens. The exact ...

Medications

Q and A: Reducing the risk of medication errors

DEAR MAYO CLINIC: My friend's father recently died from a medication error. One of his prescriptions was filled incorrectly and caused a fatal reaction. I take multiple medications for various conditions. How can I reduce ...

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