Oxygen-derived free radicals have been shown to play a role in many forms of cell injury. A role for free radicals has recently been demonstrated in the mortality of a rat/sepsis model. The purpose of ...

Free radicals have a terrible reputation. These reactive and unstable molecules have been associated with cancer, aging, and degenerative diseases such as Alzheimer's. Yet the body constantly produces ...

Free radicals are highly unstable and reactive molecules that are literally stealing electrons from your healthy cells at this very moment, causing damage that accumulates over time and contributes to ...

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Free radicals are atoms that attach to healthy cells in your body, damaging them in the process. You can encounter free radicals in the environment from things like smoke and alcohol. Combat the ...

Fig. Effect of VivoSight OCT observation on blood vessel density of subjects.The marked test areas for subjects A-D were the left facial skin, left nasal skin, the back of the left hand, and the left ...

Preservatives in ophthalmic preparations are known to cause ocular surface damage. Excipients can also contribute to oxidative stress in the compromised ocular surface. We evaluated commonly used ...

When I write about heart disease or stroke, a central theme is the importance of oxygen. This is because the heart and brain are relentlessly active and in need of energy supplied by reactions that ...

Obesity is growing at alarming rates worldwide, and the biggest culprit is overeating. In a study of brain circuits that control hunger and satiety, researchers have found that molecular mechanisms ...

Smoking cigarettes can lead to illness and death. Free radicals, which are atoms or groups of atoms with unpaired electrons, in inhaled smoke are thought to be partly responsible for making smokers ...