Indoor Humidity and Respiratory Infections: What New Research Shows
Dry indoor air may let virus droplets linger and slow nasal mucus clearing. Here is what three recent studies found, and what they cannot prove.
Research digest
New studies explained: how they worked and what they found.
2 articles
Sesame Oil vs. Saline for a Dry Nose: What the Swedish Trial Found
A randomized crossover trial compared pure sesame oil with saline in 79 people with nasal dryness. Here is how the study worked, what it found, and what it can and cannot tell you.