Tracy from the United States, has bravely shared her personal experience dealing with three intricate medical conditions: Postural Orthostatic Tachycardia Syndrome (POTS), Mast Cell Activation Syndrome (MCAS), and Hypermobile Ehlers-Danlos Syndrome (hEDS). Her story is an eye-opener for many as these conditions are often misunderstood and difficult to diagnose. Tracy's account provides important insights into the challenges faced by individuals living with these complex health issues.