Medical research

Study finds direct oxidative stress damage shortens telomeres

The same sources thought to inflict oxidative stress on cells—pollution, diesel exhaust, smoking and obesity—also are associated with shorter telomeres, the protective tips on the ends of the chromosomal shoelace.

Alzheimer's disease & dementia

Alzheimer's in minibrains

In the majority of cases, dementia can be traced back to Alzheimer's disease. Its causes are not really understood yet. What is known is that plaques form from misfolded proteins and that there is an increase in neuronal ...

Medical research

New study explains how inflammation causes gastric cancer

In 1982, researchers reported a link between chronic gastritis and stomach bacterium Helicobacter pylori, triggering a flurry of research into this newly identified pathogen. These studies made it clear that in addition to ...

Immunology

Polysulfide donors strongly suppress inflammatory responses

Researchers from Japan have developed a new polysulfide donor: a chemical compound composed of chains of sulfur atoms that can artificially increase reactive sulfur species (chemically reactive molecules containing sulfur) ...

Medical research

Fountain of youth for heart health may lie in the gut

Why do blood vessels naturally stiffen and degrade as we age, boosting cardiovascular disease risk? New University of Colorado Boulder research has identified a surprising new culprit—and it lives in your gut.

Radiology & Imaging

Iron measurements with MRI reveal stroke's impact on brain

A simple MRI method that measures iron content can provide a more comprehensive picture of the consequences of stroke-related damage to the brain, according to a study published in the journal Radiology. Researchers said ...

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