Disinfectant in toothpaste may impair muscle function

Researchers have found that triclosan, an antimicrobial agent widely used in oral care products such as toothpaste and mouthwash, impairs muscle contraction at a cellular level. In tests on animals, they evaluated the effects of the chemical on muscle activity, using...

Smiling may reduce stress and help heart health

Scientists have found that different types of smiling positively affect an individual’s ability to recover from episodes of stress. They investigated whether manipulation of facial expressions would influence cardiovascular and affective responses to stress and...

Five Signs That Could Mean You Need a Root Canal

All the teeth in your mouth consist of many nerves and blood vessels located in the center pathways, or canals, deep in the root. When your teeth initially form, these blood vessels and nerves provide the teeth with all the nutrients they need. Eventually, your teeth...

Trained nose can detect oral disease on bad breath

The University of the West of England (UWE) in Bristol has drawn attention to an unusual course run at its Centre for Research in Biosciences. Participants are trained to recognise and identify the main groups of malodour compounds that occur on the breath of...