Alzheimer's disease & dementia

Imbalance in gum bacteria linked to Alzheimer's disease biomarker

Older adults with more harmful than healthy bacteria in their gums are more likely to have evidence for amyloid beta—a key biomarker for Alzheimer's disease—in their cerebrospinal fluid (CSF), according to new research ...

Obstetrics & gynaecology

'Oral' bacteria may disrupt the balance of the vaginal microbiome

Bacterial vaginosis (BV) is an imbalance of the vaginal microbiome that can lead to adverse health outcomes, including increased likelihood of potential pathogens colonizing the vagina, yet the mechanisms underlying these ...

Medical research

For gut microbes, not all types of fiber are created equal

Certain human gut microbes with links to health thrive when fed specific types of ingredients in dietary fibers, according to a new study from Washington University School of Medicine in St. Louis.

Medical research

Antibiotic use increases risk of severe viral disease in mice

People infected with West Nile virus can show a wide range of disease. Some develop life-threatening brain infections. Others show no signs of infection at all. One reason for the different outcomes may lie in the community ...

HIV & AIDS

Microbiome research refines HIV risk for women

Drawing from data collected for years by AIDS researchers in six African nations, scientists have pinpointed seven bacterial species whose presence in high concentrations may significantly increase the risk of HIV infection ...

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