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Jon Warner, MD
Contributor
Dr. Jon “J.P.” Warner is co-chief of the shoulder service at Massachusetts General Hospital, vice chair for quality and safety, professor of orthopedic surgery at Harvard Medical School, and founder of the Boston Shoulder Institute. He is past president of the American Shoulder and Elbow Society, and current president of the San Diego Shoulder Institute. He founded the Codman Shoulder Society, a value-based health care group. He is a serial entrepreneur and graduate of Harvard Business School.

Can a routine vaccine prevent dementia?

Some adults may need a measles booster shot. Who should get one and why?

Less butter, more plant oils, longer life?

Healthier planet, healthier people

Counting steps is good — is combining steps and heart rate better?

Appendix pain: Could it be appendicitis?

Can saw palmetto treat an enlarged prostate?

How does Ozempic work? Understanding GLP-1s for diabetes, weight loss, and beyond

Zinc: What it does for the body, and the best food sources

Respiratory health harms often follow flooding: Taking these steps can help