If you're relatively young and healthy, is a mild case of COVID-19 really “mild”, like a cold or the flu? Are you still at risk for long COVID — a persistent state of fatigue, anxiety, insomnia, exercise intolerance, and “ brain fog ” (impairments in memory, attention, and concentration) — even if you're fully vaccinated? If you have post-COVID brain fog and live in Toronto, you might be eligible for a clinical trial run by the Brain and Cognition Discovery Foundation. The study will assess the