He's lived with the condition since he was 9-years-old.
Medications have failed to control it, so Carl enrolled in a clinical trial to test Renal Denervation.
Dr. David brown says, "This is the first change in 100 years in the treatment of high blood pressure."
The idea is to target overactive renal nerves that can cause blood pressure to soar. The nerves transmit information from the kidneys to the brain. Doctors insert a needle into an artery in the groin near the kidneys and burn the nerves.
Dr. Cara East, Cardiologist said, "We take off some of that overdrive, and people feel better, and their blood pressure drops, on average, 30 points."
So far it seems to be most effective for people with resistant high blood pressure, like Carl. Because he's in a double-blind trial, Carl doesn't know if he received the therapy, but he's hopeful.
Youngberg said, "I'd like to find normal to be honest with you. A new normal for me would be wonderful."
Doctors believe it could be FDA approved in two to three years. Risks are extremely rare but include infections and blood clots.