Gut bacteria can control organ functions

Bacteria in the human gut may not just be helping digest food but also could be exerting some level of control over the metabolic functions of other organs, like the liver, according to research published this week in the online journal mBio┬«. Thes…

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 …

First aid for the under 5s

One of the reasons often given by people for not attempting first aid in emergency situations is a lack of confidence and a fear of doing more harm than good. Yet a Norwegian study on four and five year olds published in BioMed Central’s open access…

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