Is exercising in a heatwave a wise choice? This article by Peta Bee, published in The Times this week, looks at the pros and cons of exercising outdoors in hot weather conditions. It also offers some tips to stay cool should you wish to exercise outdoors. How to work out in a heatwave Think it’s cool to exercise when it’s hot? If you do, this is how to do it safely Hot weather was once a reasonable excuse not to…