The first two weeks of preseason training are the toughest as players’ bodies acclimatize to running hard in the heat. An exercise scientist explains the risks.
A Salvation Army emergency vehicle is set up as a cooling station during a heatwave in Calgary, Alta. on June 30.
THE CANADIAN PRESS/Jeff McIntosh
Heat stroke is a danger in extreme temperatures, but a major risk factor for dying during a heat wave is cardiovascular disease and other pre-existing health conditions.
A murmuration of starlings over West Pier in Brighton England.
Lois GoBe/Shutterstock.com