In skiers, ICS have a similar anti-inflammatory or symptom-reduction effect to placebo, but they induce a significant improvement in FEV1 [34]. In other chronic asthmatics during the birch pollen season, the use of ICS contributed to a significant reduction in the number of inflammatory cells...
for example, they are likely to become more severely ill when infected with severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2). To test this hypothesis, we searched the literature extensively. Polymorphisms of genes, such as those that encode angiotensin-converting enzyme 1 (ACE1), hav...