News tagged with free radicals

Antioxidants: Is the hype justified?

Twenty-five years ago the term "antioxidant" was new to the public. Today it's big business, with sales of products making antioxidant-related claims reaching $65 billion in the U.S. in 2011.

Sep 25, 2012
popularity not rated yet | comments 1 | with audio podcast

Discovering how the brain ages

Researchers at Newcastle University have revealed the mechanism by which neurons, the nerve cells in the brain and other parts of the body, age. The research, published today in Aging Cell, opens up new avenues of understanding ...

Sep 12, 2012
popularity 4.9 / 5 (9) | comments 0 | with audio podcast

Study shows how aging impairs immune response

Researchers at Albert Einstein College of Medicine of Yeshiva University have uncovered one of the mechanisms by which aging may compromise the ability of the immune system to fight infections and respond to vaccines. The ...

Jul 17, 2012
popularity 4.5 / 5 (2) | comments 0 | with audio podcast

The cells' petrol pump is finally identified

The oxygen and food we consume are converted into energy by tiny organelles present in each cell, the mitochondria. These 'power plants' must be continuously supplied with fuel, to maintain all vital functions. A team led ...

May 24, 2012
popularity 5 / 5 (2) | comments 0

Scientists uncover route to tumour's energy supply

Cancer Research UK scientists have discovered how blocking a key enzyme, which helps convert glucose into energy, could provide a new way to kill prostate cancer cells, according to a study published in the journal Cancer Di ...

Mar 23, 2012
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