Science news articles about 'free radical molecules'

... found the brain's appetite centre uses fat for fuel by involving oxygen free radicals - molecules associated with ageing and neurodegeneration. The findings, reported in the journal Nature, suggest ...

... processes such as inflammation, programmed cell death and how the body handles free radicals – molecules produced by normal metabolism that, if not appropriately neutralized, can damage cells and ...

... of accumulated wear and tear: Toxins, free-radical molecules, DNA-damaging radiation, disease ... changed with age. To see whether these signal molecules were part of a wear-and-tear aging mechanism, ...

... as polyphenols. Antioxidants are thought to protect cells from damage and mop up free radical molecules, which may lead to illnesses such as cancer and heart disease. Although the beneficial role of ...

... – NADPH oxidase, which produces reactive free radical molecules that cause brain damage – following ... no stroke in group 1, there was little to no free radical production in the brain. In group 2, ...