DEAR MAYO CLINIC: Both of my parents have been vaccinated for COVID-19. The doctor told my mom she is eligible for a third dose of a COVID-19 …

PHILADELPHIA — Seventy-seven-year-old David Pallett, who began exercising seriously about four months ago, started a recent workout by donning…

Nearly 3 million Americans are living with a heart condition called atrial fibrillation, according to the American Heart Association. And the …

A new COVID-19 variant called B.1621 or mu by the World Health Organization is being monitored by scientists. While this variant is making new…

In recent years, there's been an explosion in high-intensity interval training as the new way for people to get fit and lose weight. With that…

Summer may be coming to an end but our risk for heat related illness is still very real. I learned that first hand a few weeks ago.

As students prepare to return to the classroom, it's important to ensure that they keep up with their immunization schedules. According to the…

After a year of full or partial distance learning, many students will be headed back into a physical classroom this fall. In this Mayo Clinic …

COVID-19 vaccines remain the best defense against COVID-19. However, no vaccines are 100% effective at preventing illness in vaccinated people…

CHARLESTON, S.C. — Dr. Krutika Kuppalli, an infectious-disease specialist at the Medical University of South Carolina, had run out of ideas.