Latest News
Other Top Stories
How oxygen radicals protect against cancer
![](http://sciencemission.com/themes/default/images/ocf_default_avatars/default_set/dog.png)
Originally, oxygen radicals - reactive oxygen species, or ROS for short - were considered to be exclusively harmful in the body. They are produced, for example, by smoking or UV radiation. Because of their high reactivity, they can damage many important molecules in cells, including the hereditary molecule DNA. As a result, there is a risk of inflammatory reactions and the degeneration of affected…