Adverse gastrointestinal (GI) complaints, such as cramps, nausea, vomiting and diarrhea are common problems faced by up to 90% of endurance athletes. Exercise-related gastrointestinal symptoms are inconvenient, can adversely affect performance and in some cases, may have long-term health consequences.
By Stacey Penney, MS, NASM-CPT, CES, PES, FNS Running tops the charts as one of the most popular fitness activities. According to Running USA, women are out-participating men in road races at every distance except the full marathon. Even for teens it is one of the most participated in sport.