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.

Medical research

Simple urine test could measure how much our body has aged

Researchers find that a substance indicating oxidative damage increases in urine as people get older. The study, published today in open-access journal in Frontiers in Aging Neuroscience, also describes a way to easily measure ...

Health

What are antioxidants? And are they truly good for us?

Antioxidants seem to be everywhere; in superfoods and skincare, even chocolate and red wine. Products that contain antioxidants are marketed as essential for good health, with promises to fight disease and reverse ageing.

Medical research

Blocking two enzymes could make cancer cells mortal

EPFL scientists have identified two enzymes that protect chromosomes from oxidative damage and shortening. Blocking them might be a new anticancer strategy for stopping telomerase, the enzyme that immortalizes tumors.

Medical research

Reversing smoke-induced damage and disease in the lung

By studying mice exposed to tobacco smoke for a period of months, researchers have new insight into how emphysema and chronic obstructive pulmonary disease (COPD) develops. In the October 14th issue of Cell they also report ...

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