Then, amid the pandemic, many people delayed routine eye appointments. Dr. Cheryl Khanna, a Mayo Clinic ophthalmologist, says it's important to catch eye diseases early.

And, the use of tourniquets has increased substantially in recent years. We'll talk to Reynold Henry, MD, MPH, General Surgery Chief Resident at Los Angeles County and USC Medical Center, to learn the reasons behind this increasing trend, and what you need to know to save a life.