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Gratitude enhances health, brings happiness — and may even lengthen lives

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.

How is PSA used to monitor prostate cancer?

Effects of sleep deprivation

Progressive relaxation techniques for insomnia

How to test for sleep apnea: At home or in a lab

How sleep deprivation can harm your health

Extreme heat endangers older adults: What to know and do

Want to cool down? 14 ideas to try

What is a PSA test and how is it used?

Blood sugar–friendly fruits if you have diabetes

Gratitude enhances health, brings happiness — and may even lengthen lives