University Health medical director Dr. Leo Lopez III joined KSAT anchors Steve Spriester and Myra Arthur to answer viewers’ health questions about hypertension, cholesterol and more.

Cholesterol is in our blood stream but high levels of bad cholesterol can lead to heart attack, stroke and other health issues.

When it comes to cholesterol and heart health, it’s important to have low levels of “bad” cholesterol, and high levels of “good” cholesterol. But for one man, “good” wasn’t good enough, and that finding could someday change how doctors treat high cholesterol.