When John Davis collapsed on the basketball court, he knew he could have prevented it. He could have avoided the heart attack, the trip to the ER and the need for a stent to allow blood to once again flow freely from his heart to the rest of his body. Davis was healthy and in his twenties when doctors diagnosed him with a genetic condition that required him to take medication to lower his cholesterol. These medications, commonly known as statins, help patients avoid heart attacks and strokes by reducing bad cholesterol levels. They are some of the most commonly prescribed medications in the U.S.