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.

Neuroscience

Detecting dementia's damaging effects before it's too late

Scientists might have found an early detection method for some forms of dementia, according to new research by the University of Arizona and the University of Toronto's Baycrest Health Sciences Centre.

Medical research

More evidence that blood tests can detect the risk of Alzheimer's

A new study confirms that a simple blood test can reveal whether there is accelerating nerve cell damage in the brain. The researchers analysed neurofilament light protein (NFL) in blood samples from patients with Alzheimer's ...

Neuroscience

Pig experiment raises ethical questions around brain damage

The brain is more resilient than previously thought. In a groundbreaking experiment published in this week's issue of Nature, neuroscientists created an artificial circulation system that successfully restored some functions ...

Oncology & Cancer

Major mutation pattern in cancer occurs in bursts

Researchers have created a huge resource for investigating the biological mechanisms that cause cancer. The scientists from the Wellcome Sanger Institute and their collaborators identified which patterns of DNA damage—mutational ...

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