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What is a PSA test and how is it used?

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

Ashish K. Jha, MD, MPH
Contributing Editor
Ashish K. Jha, M.D., M.P.H. is Director for the Harvard Global Health Institute, K.T. Li Professor of International Health & Health Policy at the Harvard T.H. Chan School of Public Health, Professor of Medicine at Harvard Medical School, and a practicing Internal Medicine physician at the VA Boston Healthcare System.
Dr. Jha received his M.D. from Harvard Medical School and trained in Internal Medicine at the University of California, San Francisco where he also served as Chief Medical Resident. He completed his General Medicine fellowship from Brigham and Women’s Hospital and Harvard Medical School and received his M.P.H. from Harvard T.H. Chan School of Public Health.
Dr. Jha’s major research interests lie in improving the quality and costs of healthcare with a specific focus on the impact of policy efforts. His work has focused on a broad set of issues including transparency and public reporting of provider performance, financial incentives, health information technology, and leadership, and the roles they play in fixing healthcare delivery systems.

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