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For adults with mild cognitive decline, 20 minutes of physical activity twice a week could help stall dementia, a new study reports.

Vaccine-induced false positives are a major roadblock in the development of an HIV vaccine, according to a research team at Penn State. The researchers developed a test that can differentiate between false positives and active HIV infections.

A study from suggests that factors like kidney function, cholesterol and diabetes can influence blood tests for Alzheimer's disease.

A new study describes a key molecular mechanism that explains how cells exchange information through extracellular vesicles.

HIIT safely improves aerobic capacity and muscle endurance in newly diagnosed inflammatory muscle disease patients.

A study using isotope tracing metabolomics found that people with Fanconi anemia fail to use glucose efficiently, show elevated ketones and signs of insulin resistance. The findings reveal metabolic inflexibility.

A rapid point-of-care TB test delivers 15-minute results and performs well in high-burden settings, improving latent TB detection access.

Study reveals avian flu survives fever-level temperatures via a PB1 gene advantage, explaining its severe threat to humans.

New research shows rheumatoid arthritis starts years before symptoms, revealing early immune changes that may enable prevention.

Researchers measured, for the first time, how mitochondria in human tissues use ketone bodies for energy. Heart, muscle and liver cells from people with type 2 diabetes or MASLD showed reduced ketone-driven energy production.