Medical research

Bacteria help explain why stress, fear trigger heart attacks

Scientists believe they have an explanation for the axiom that stress, emotional shock, or overexertion may trigger heart attacks in vulnerable people. Hormones released during these events appear to cause bacterial biofilms ...

Diseases, Conditions, Syndromes

Drug may guard against periodontitis, and related chronic diseases

A drug currently used to treat intestinal worms could protect people from periodontitis, an advanced gum disease, which untreated can erode the structures—including bone—that hold the teeth in the jaw. The research was ...

Medical research

Target two forms of iron to control cystic fibrosis lung infection

The bacterium Pseudomonas aeruginosa needs iron to establish and maintain a biofilm in the lungs of cystic fibrosis patients, and therapies have been proposed to deprive the bacteria of this necessary element. However, these ...

Diseases, Conditions, Syndromes

Cigarette smoke boosts virulence in Staphylococcus aureus

Exposure to cigarette smoke has long been associated with increased frequency of respiratory infections—which are harder to treat in smoke-exposed people than in those who lack such exposures. Now Ritwij Kulkarni of Columbia ...

page 7 from 9