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Since 1883, physicians and health care professionals around the world have turned to JAMA for groundbreaking research and insightful commentary from leaders across the broad spectrum of health care. Subscribe/Learn More

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Research

Featured article

Original Investigation | June 23, 2015 FREE

ICD Use Among Medicare Patients After Acute MI

This cohort study uses registry and Medicare claims data to assess the frequency of ICD implantation within 1 year of myocardial infarction and to compare mortality in patients with vs without ICDs.
Editorial: Underutilization of ICDs in Older Patients
Author Video Interview   |   JAMA Report Video

Featured article

Original Investigation | June 23, 2015

Screening for Patent Ductus Arteriosus Among Preterm Infants

This population-based cohort study reports that screening echocardiography before day 3 of life to identify patent ductus arteriosus among extremely preterm infants was associated with lower in-hospital mortality and likelihood of pulmonary hemorrhage.

Featured article

Original Investigation | June 23, 2015

PDE5 Inhibitors for Erectile Dysfunction and Malignant Melanoma Risk

This case-control study examines the association between use of phosphodiesterase type 5 (PDE5) inhibitors for erectile dysfunction and malignant melanoma risk.

Clinical Review & Education

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JAMA Clinical Guidelines Synopsis | June 23, 2015

Perioperative β-Blocker Therapy

This JAMA Clinical Guidelines Synopsis article summarizes the evidence for perioperative use of β-blockers in patients with or at risk of developing cardiovascular disease.

Opinion

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ViewpointsFREE ONLINE FIRST

The Affordable Care Act

These Viewpoints explore the effects of narrow networks on health care quality, and discuss variations in the implementation and performance of health insurance marketplaces.

Performance of Health Insurance Marketplaces

Narrow Networks and the Affordable Care Act

Featured article

Viewpoint | June 23, 2015

Broadly Neutralizing Antibodies in HIV Vaccine Development

This Viewpoint explains the importance of inducing broadly reactive neutralizing antibodies for preventing HIV infection and for developing an HIV vaccine.

Featured article

Viewpoint | June 22, 2015 FREE ONLINE FIRST

Seven Questions for Personalized Medicine

This Viewpoint compares the promise of personalized medicine with its achievements to date, and argues for setting realistic expectations for what it can accomplish.

Featured Topics

Featured article

January 13—June 16, 2015

Scientific Discovery and the Future of Medicine

The Anatomy of Medical Research

Collins on NIH's Role in Medical Science

Tjian on HHMI's Role in Biomedical Research

Langer and Weissleder on Nanotechnology  audio icon

Editorial: Scientific Discovery and the Future of Medicine

Topol and colleagues on Digital Medical Tools and Sensors  audio icon

Rogers on Electronics for the Human Body  audio icon

Doudna on Genomic Engineering and the Future of Medicine  audio icon

Lieberman and Sharp on RNA Interference for Therapy  audio icon

Atala and Murphy on Regenerative Medicine  audio icon

Wilson and Wu on Induced Pluripotent Stem Cells  audio icon

Deisseroth and colleagues on Circuit Dynamics of Psychiatric Disease  audio icon

Xie on Pinpointing Precision Medicine for Single Molecules in Genomics

Farrar on Translating New Knowledge to Better Health

Explore more articles:  Current Issue | Online First

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Author Interview

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Interview with Kevin P. Hill, MD, MHS, author of Medical Marijuana for Treatment of Chronic Pain and Other Medical and Psychiatric Problems: A Clinical Review, and Deepak Cyril D'Souza, MBBS, MD, author of Medical Marijuana: Is the Cart Before the Horse?

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RELATED ARTICLE:

Medical Marijuana for Treatment of Chronic Pain and Other Medical and Psychiatric Problems:  A Clinical Review

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Article Video

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Video 1. Ambulation Mode Transitions Using a Powered Prosthetic Leg ... (02:11)

This video shows transitions between ambulation modes controlled by the experimenter during control system training.


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Interactive

Interactive preview

Video Clip of Patient’s Echocardiogram and Doppler Tracing Through the ...

This interactive includes Doppler echocardiography findings from a patient with a heart murmur. How do you interpret these test results?


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Author Readings
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Reading by Dariush Mozaffarian, MD, DrPh, author of The 2015 US Dietary Guidelines: Lifting the Ban on Total Dietary Fat


Latest Quiz

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Recurrent Oral Ulcers

A 44-year-old man with a history of gastroesophageal reflux disease and anxiety presents for evaluation of mouth ulcers recurring for the past 2 years.

What would you do next?

From The JAMA Network

Metformin as Initial Oral Therapy in Type 2 Diabetes

JAMA Patient Page

For your patients: Medical Marijuana.

Past JAMA Patient Pages are available in English and Spanish.

A Piece of My Mind

I'm Sorry

JAMA Medical Student Elective in Medical Editing

JAMA offers a 4-week elective in medical editing to third- and fourth-year US medical students. The elective is full-time and must be taken for academic credit. For information and an application, please e-mail jamams@jamanetwork.org.

Video Translations

International translations of Author Video Interviews

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Medical News

Novel Programs and Discoveries Aim to Combat Antibiotic Resistance

Visualizing Health Policy

Premium Changes in the Affordable Care Act's Health Insurance Marketplaces, 2014-2015

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Physician Jobs