Asthma, characterized by its difficult-to-control symptoms most commonly treated with inhaled corticosteroids, could see more patient-tailored therapy in coming years.

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A recent study shows hormones play a significant role in reducing lung inflammation, opening the door to sex- and age-specific treatments for asthma.

Investigators, led by Nicola Heller, PhD, associate professor in the Department of Anesthesiology and Critical Care Medicine at John Hopkins University School of Medicine, sought to test a hypothesis born from a previous study that showed estrogen was an activator of immune cells that caused lung inflammation.