Although the COVID-19 pandemic was recently downgraded from global emergency status, continued wastewater surveillance is still very important, said Eric Arts, Canada Research Chair in viral pathogenesis and control at Western University in London, Ont.

Source: https://www.cbc.ca/news/health/covid-19-wastewater-canada-data-1.6896416?cmp=rss

The pathogenesis of SAD is unknown, but primary hypotheses about the condition involve changes in circadian rhythm, decreased retinal sensitivity, genetic factors, and dysregulation of neurotransmitters such as serotonin.

Source: https://www.postandcourier.com/aikenstandard/lifestyle/feature-columns/mind-matters-seasonal-affective-disorder-affects-many/article_a3c41b46-cc0c-11ed-8580-839cfff4d7bd.html

"These positive studies support the involvement of type 2 cytokines in driving PN disease pathogenesis and the targeting of the IL-4/IL-13 axis as a novel therapeutic paradigm for patients with PN," the authors write.

Source: https://www.gjsentinel.com/lifestyle/health_and_wellness/dupilumab-beneficial-for-adults-with-prurigo-nodularis/article_4604a4f9-2d9f-5b29-8329-58ffd68e54d2.html