Bacteria involved in cavity formation may have some cancer-protective effect, researcher says, but skeptics aren't sure

Alcohol may impair drivers' normally good sense, study says

Work with developing embryos provides new information

These expressive kids scored higher in 'sensation-seeking,' researchers found

More research called for to prevent and treat occurrences

Finding was independent of women's other risk factors in early study

Differences in signs, symptoms could be related to 'beta-amyloid fibrils' responsible for plaque, study hints

Keeping physically active may boost survival in those with a negative outlook, study suggests

Camels May Be Linked to Deadly Respiratory Virus in People Brain-Eating Parasite Survivor Goes Home

Already approved for cosmetic 'frown lines'