Rare diseases affect nearly 30 million Americans each year. One rare, progressive kidney disease, known as Autosomal Dominant Polycystic Kidney Disease (ADPKD), is the most common, rare, inherited kidney disorder you’ve likely never heard of. My guest is Nephrologist, Dr. Meyeon Park, Director of UCSF Polycystic Kidney Disease Center of Excellence, she shares the signs, symptoms and impact that ADPKD has on the kidneys.