Medical research

A new contributor to atherosclerosis

Free radicals produced during oxidative stress react with membrane fatty acids to yield highly reactive lipid aldehydes, which can modify proteins and cause cellular or tissue damage.

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

Growing evidence that probiotics are good for your liver

Increased awareness of the importance of the microbes that live in our gut has spurred a great deal of research on the microbiome and fueled a booming probiotics industry. A new study suggests probiotics can improve not only ...

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

Future therapeutics: Drugs that stop free radicals at their source

Go to any health food store and you're likely to see shelves crowded with antioxidants that promise to quell damage from free radicals, which are implicated in a myriad of human diseases and in the aging process itself. The ...

Inflammatory disorders

New research finds ozone in smog may cause asthma

It's completely invisible, but the distinctive smell of electrical discharge after photocopying is a tell-tale sign of ozone in the air. Ozone is a component of what we refer to as 'smog' and on hot sunny days, in cities ...

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