muscle. Cure Focus on breathing with your diaphragm by pulling your stomach in as you exhale and pushing out as you inhale. CHAFING Ouch It feels like a burning wound. Science Friction between skin and skin (or skin and clothing) rubs you raw

're evidence that your feet and your footwear are mismatched. Always wear clean, well-fitting running socks made from a wicking, synthetic fabric. You can add an extra layer of protection by wearing two thin pairs of socks, or trying a single double-layer model.Chafing

with four different routes of roughly similar length, advises Coates. "Throw a dice to decide which one to do each morning to add an element of spontaneity and safety." Stay safe See yourself as a cyclist, Coates says. "Cars don't look out