Horse racing and equestrian are sports that involve training more than one heart. This issue explores baseline concussion testing in horse racing with former jockey Kiaarn Holland talking about her dream job and Equestrian coach Natalie Siiankoski giving us a guide on Eventing. This issue also highlights, Kate Phillips, a young woman who could barely run 200m before having a double lung and heart transplant that now competes in triathlon. Más