s it turns out ROS molecules are as much useful signals inside cells as they are a part of the damage and dysfunction of aging: methods of modestly extending life span in laboratory species can involve either higher or lower levels of ROS, depending on the details, and some long-lived species have all of the biochemical markers of high levels of oxidative stress but none of the expected dysfunction. Like all aspects of metabolism, complexity is the rule

 

A Little More Recent Research on the Topic of Reactive Oxygen Species

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