Some of the most dreaded diseases in the world such as plague, typhoid and cholera are caused by bacteria that have one thing in common: they possess an infection apparatus which is a nearly unbeatable weapon. When attacking a cell of the body, they …
Tag Archives | signal substances
Free radicals may be good for you
Fear of free radicals may be exaggerated, according to scientists from the Swedish medical university Karolinska Institutet. A new study, published in the Journal of Physiology, shows that free radicals act as signal substances that cause the heart …