Tag: ROS

Oxidative stress & aging – should we take antioxidants?

During metabolism a small proportion of oxygen is converted into toxic products, collectively known as Reactive Oxygen Species (ROS or free radicals). When attacked by free radicals,  proteins, DNA and lipids don’t work as they should so function declines. As we get older and our systems for metabolizing oxygen become less efficient, our production of free radicals increases.  If the production of free radicals outstrips our (antioxidant) defense mechanisms, a state of oxidative stress is said to exist. Oxidative stress is one of the most important elements of the aging process. There is a lot we can do to...

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