Watch CBS News
Sara Adair knew she was at risk for a life-threatening aortic dissection after her father and sister experienced the same deadly condition.
Maranda Nyborg's mild symptoms escalated into pain, numbness and a fever that wouldn't go away.
Colt Ford had even undergone a preventative check-up that found no signs of concern before he had a "silent" heart attack on tour.
Mikey Oliveri was born too small for any existing pacemaker options. Doctors turned to an innovative, adapted option.
Reena Caprario said her family was told she was "lucky to be alive" after she experienced a heart attack.
Jennifer Tavares' pregnancy was going smoothly until a headache and swelling signaled she might have a dangerous condition.
Allison Ciaccio had a respiratory illness that wouldn't go away. Repeated follow-ups found Stage I lung cancer.
U.S. Army Staff Sgt. Rayshaun Smith thought his knee pain was caused by his active lifestyle. It was an early sign of a rare cancer.
Ray Kohn knew something was wrong, but it took several years dozens of doctor's visits to find an answer.
Isaac Klapper was 10 years old when he started having episodes of what doctors initially thought was a movement disorder.
Lizzie Clark was 13 when she started hearing a constant ringing in her ear. Doctors found a tumor on her facial nerve.
Mary Jo Burkhard, 71, went to the emergency room with worrying symptoms. It wasn't the heart attack she feared.
Glioblastoma typically kills within 18 months, but a new type of treatment has kept Nadya El-Afandi's scans clear 17 months after diagnosis.
A mother and son flew 9,000 miles to seek care for his spinal condition after they'd exhausted options in their home country.
Cardiac CT angiograms take detailed images of the heart and can show dangerous blockages in a person's arteries.
Jill Becher spent more than three years in agonizing pain. After one surgery failed, a riskier treatment provided relief.
Brooklinn Khoury was 20 years old when a family member's pet launched at her face and bit off her upper lip.
As children, Amaris and Dominique Elston were inseparable. When Dominique needed a kidney, Amaris immediately wanted to donate.
Doctors operated on Allison Misconin's reproductive system while she was more than halfway through her first pregnancy.
Tyler Theroux was born with a brachial plexus injury that would eventually leave him depressed and in extreme pain. A complex surgery finally provided relief.
Morgen Chesonis-Gonzalez thought she would be fine skipping her yearly mammogram - but a persistent pain convinced her otherwise.
When Phil Passen found a new doctor after the pandemic, he got some bad news about his congenital heart condition.
About 12 people a day die waiting for a transplant. Kristie Sue Hathaway has saved two.
A chance test by a gastrointestinal specialist led to a "bombshell" diagnosis.
Sierra Butler was offered the opportunity to be just one of two people enrolled in a clinical trial looking at a therapy that could put her lupus into remission.
