When is the best time to exercise vigorously? Let's find out

Is there a time of day when it’s safest for moderate to vigorous exercise? Vancouver cardiologists are seeking to find out with a study looking into whether our biological clocks are a factor in the risk of adverse events.
The researchers, from SportsCardiologyBC, Vancouver Coastal Health and the University of B.C. are now recruiting 126 recreational and competitive athletes over the age of 18 for the 10-year Time of Day study. The goal is to isolate the safest time of day &ldquo