Cooking with wood may cause lung damage

Advanced imaging with CT shows that people who cook with biomass fuels like wood are at risk of suffering considerable damage to their lungs from breathing in dangerous concentrations of pollutants and bacterial toxins, according to a new study. Source

Understanding lung infections in patients with cystic fibrosis

For young people with cystic fibrosis, lung infection with Staphylococcus aureus, MRSA, is common and is treated with antibiotics in the hope that this will prevent a decline in lung function. However there has recently been debate over the role S. aureus plays in CF lung disease. Researchers have used a new model of CF lungs which could be used to make better decisions about future use of antibiotics. Source

Worms reveal why melatonin promotes sleep

Melatonin is used as a dietary supplement to promote sleep and get over jet lag, but nobody really understands how it works in the brain. Now, researchers show that melatonin helps worms sleep, too, and they suspect they’ve identified what it does in us. Source