Diving into winter: The effects of cold water immersion

The thought of going for a swim may seem crazy as winter approaches, but for some, the dropping temperatures indicate the start of polar plunge season. A quick dip in the frigid Canadian waters sends a shock through the body–but upon returning to shore, this is replaced by a sweeping refreshing sense of calm. Is this activity, seen as reckless by some, actually beneficial to one’s physical or mental health.

Flu season and the future of influenza in a post-COVID world

With every winter comes flu season. What does that mean? Between larger pandemic outbreaks like the 1917 Spanish flu and a few others since, we run into seasonal epidemics of the disease. Influenza is far from a steady presence in our lives throughout the year; in Canada, seasonal influenza is a phenomenon that ramps up every November, peaks in the winter, and all but disappears come summertime. What causes this cycle, and, following the disruption of the COVID-19 pandemic, how will it be altered in future years?