
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

Michelle Chan, MD
Contributor; Editorial Advisory Board Member, Harvard Health Publishing
Dr. Michelle Chan is an infectious disease physician at Beth Israel Deaconess Medical Center, and an Instructor in Medicine at Harvard Medical School. She completed her undergraduate education at Tufts University, and medical school education at Case Western Reserve University. She did her residency training at Ohio State University Wexner Medical Center, and fellowship training in infectious disease at Beth Israel Deaconess Medical Center. Dr. Chan's interests include general infectious diseases and infection control.

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