Oxidative stress is a direct consequence of an excess in the body of so-called "free radicals" – reactive, unstable molecules that contain oxygen. Free radicals are normal metabolic by-products and ...

Dying cells in an injured area of the fruit fly brain appear in pink, while activated glial cells producing protective anti-oxidant proteins appear in green. Oxidative stress is a direct consequence ...

The Nature Index 2025 Research Leaders — previously known as Annual Tables — reveal the leading institutions and countries/territories in the natural and health sciences, according to their output in ...