Rochester, Minnesota - Some medical discoveries stand the test of time. The case of a dedicated Mayo Clinic chemist is a prime example. Feeling that he was on the verge of a breakthrough that could help countless people, Dr. Edward Kendall spent Christmas Eve 1914 locked away in his lab. What he accomplished by Christmas morning was a gift to millions of thyroid patients, one that is still improving lives a century later. Dennis Douda has this inspiring story.

Rochester, Minnesota - Stroke is a medical emergency for everyone. Unfortunately, some women may experience a delay in care, because they don't recognize that their symptoms are being caused by a stroke. Mayo Clinic wants you to know the signs and symptoms of stroke. Prompt treatment can increase your chance of recovery.

Scottsdale, Arizona - The cause of rheumatoid arthritis, a systemic autoimmune disease, is unknown. But certain genes and environmental factors, such as smoking, are linked to the disease process. Now Mayo Clinic research suggests a new link: the composition of gut microbes.

Yuma, Arizona - I recently read a piece by Thomas Frieden, M.D., M.P.H., director of the Centers for Disease Control and Prevention, in JAMA entitled: "Sodium reduction - saving lives by putting choice into consumers' hands." In it, he lists grim statistics about the health problems caused by too much sodium:

Rochester, Minnesota - The 96 year old inventor of the Heimlich maneuver, Dr. Henry Heimlich, died Sat., Dec. 17. Well-known for his determination to develop an emergency procedure that could save people from choking, his method became famous and was implemented around the world. Below you can learn more about the importance of abdominal thrusts (Heimlich maneuver).