dr. part trisha kavanah in a, board chair and profess of speed rat ricks and karisa juarez a patient ambassador and parents of a child living with sickle cell disease. welcome to"urban update." thanks for coming in. dr. kavanagh let's give viewers >>> sickle cell disease affects approximately 100,000 people in the united states. it actually is a condition that affects the red blood cell whose job is to deliver oxygen throughout the body and starts off in the , guess threw the body, drops off okay general and comes back. in the red blood cells molecule called hemoglobin in sickle cell disease that molecule is affected. when it goes to the lug, picks up the oxygen, goes t to drop it off it changes its shape. a red blood cell looks like a donut. in sickle cell disease when it drops off the oxygen, it actually changes the shape to look like a crescent moon or a sickle. that sickle shape doesn't get through your blood vessel very well and causes damage and chronic inflammation which can lead to strokes, both in children as well as adults. it can lead to complications in life-threatening to these ind