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 ...

Cellular respiration is a very efficient process through which a lot of energy is generated from a few sugar molecules and oxygen. However, up to two percent of the oxygen used in this process is ...

Fear of free radicals may be exaggerated, according to new research. A new study shows that free radicals act as signal substances that cause the heart to beat with the correct force. Fear of free ...