Humidity

WASHINGTON — In elementary school children with asthma, greater relative humidity in classrooms heightened the risk for upper respiratory infections, according to research presented at the American Thoracic Society International Conference.

Long-term exposure to a high levels of a specific air pollution called fine particulate matter can lead to an increased risk of chronic kidney disease in China, according to data published in the American Journal of Kidney Diseases.

ATLANTA — Atmospheric changes and associated environmental stressors within 10 days of a clinic visit were linked to organ-specific lupus flares among patients with systemic lupus erythematosus, according to a presentation at the 2019 ACR/ARP Annual Meeting.

Using fans may be harmful in heat waves with very hot and dry conditions but helpful in hot and humid conditions, according to a research report published in the Annals of Internal Medicine.