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In the Media
Effects of High vs Low Glycemic Index of Dietary Carbohydrate on Cardiovascular Disease Risk Factors and Insulin Sensitivity: The OmniCarb Randomized Clinical Trial. Sacks et al.

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Entecavir vs Lamivudine for Prevention of Hepatitis B Virus Reactivation Among Patients With Untreated Diffuse Large B-Cell Lymphoma Receiving R-CHOP Chemotherapy: A Randomized Clinical Trial . Huang et al.

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Uptake and Costs of Hypofractionated vs Conventional Whole Breast Irradiation After Breast Conserving Surgery in the United States, 2008–2013. Bekelman et al.

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Featured article
Entecavir vs Lamivudine to Prevent HBV

This randomized trial reports a lower incidence of hepatitis B virus (HBV) infection and reactivation in patients with untreated diffuse large B-cell lymphoma who were seropositive for HBsAg and treated with R-CHOP chemotherapy.

Featured article
Glycemic Index, Cardiovascular Disease, and Insulin Sensitivity

This randomized crossover feeding trial reports no improvements in insulin sensitivity, lipid levels, or systolic blood pressure after 5 weeks of following diets with low vs high glycemic index.

Author Video Interview  |  JAMA Report Video

Featured article
Hypofractionated vs Conventional Whole Breast Irradiation

Published to coincide with the San Antonio Breast Cancer Symposium 2014, this epidemiology study reports trends in the use of hypofractionated and conventional whole breast irradiation among women with early-stage breast cancer treated 2008-2013.


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In Defense of the Employer Mandate: Hedging Against Uninsurance

This Viewpoint traces the origins of the Affordable Care Act's employer mandate provision, delineates its rationale, and discusses the likelihood and consequences of its potential repeal.

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The Rise of the Medical Scribes Industry: Implications for Electronic Health Record Improvement

This Viewpoint argues that the increasing use of medical scribers to record patient data will impede the development of electronic health record management systems.

Clinical Review & Education

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Diagnosing and Managing Mild Cognitive Impairment

This narrative review summarizes current thinking about diagnosis and management of mild cognitive impairment.

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Stool DNA Test for Colorectal Cancer Screening

The FDA has approved a stool DNA test to screen average-risk adults aged 50 years or older for colorectal cancer.

Featured Topics

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Testosterone Replacement

These articles address the potential harms of testosterone supplementation.

Testosterone Replacement Therapy Faces FDA Scrutiny  FREE  ONLINE FIRST

Testosterone Therapy and Mortality, MI, and Stroke  FREE

Editorial: Testosterone Therapy and Cardiovascular Risk

Cardiovascular Risks of Testosterone

Testosterone Therapy Boosts MI Risk

JAMA Internal Medicine

Low "T" as in "Template"

Promoting "Low T"

Explore more articles:  Current Issue | Online First

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Author Interview

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Interview with Frank M. Sacks, MD, author of Effects of High vs Low Glycemic Index of Dietary Carbohydrate on Cardiovascular Disease Risk Factors and Insulin Sensitivity


Effects of High vs Low Glycemic Index of Dietary Carbohydrate on Cardiovascular Disease Risk Factors and Insulin Sensitivity:  The OmniCarb Randomized Clinical Trial

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Video Summary: Medical Applications of 3D Printing Technologies (3:53)

Mark H. Michalski, MD, explains 3D printing and describes the application of this technology in clinical medicine, education, and patient communication.

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Interactive preview

Waxman Leaves a Mark on Health Policy

During his 20 terms in Congress, Rep Henry Waxman (D, Calif) has had a major influence on US health policy. This timeline highlights many laws he helped shape and how they've changed the US health care system.

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JAMA Editor's Audio Summary

December 16, 2014

Aspirin for primary CVD prevention, HBV reactivation prevention, management of cognitive impairment, and more.

Author Readings
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Reading by Jessica Barrington-Trimis, PhD, MS, MA, author of Flavorings in Electronic Cigarettes: An Unrecognized Respiratory Health Hazard?

Latest Quiz

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Pustulonodular Lesion on the Nose

A 32-year-old man from Kentucky with a history of type 1 diabetes mellitus, hypertension, stage 3 chronic kidney disease, and chronic hepatitis C presented with a 1-month history of swelling and pain over his nose. He originally developed a pustule inside the nares, which gradually spread to involve the nose.

What would you do next?

From The JAMA Network

Oral Anticoagulants and the Risk of Intracranial Hemorrhage

JAMA Patient Page
Breast Cancer Screening: Benefits and Harms

For your patients: Breast Cancer Screening: Benefits and Harms.

Past JAMA Patient Pages are available in English and Spanish.

A Piece of My Mind

The Half-Wall

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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Author Reading

Jessica L. Barrington-Trimis, PhD, MS, MA, reads her Viewpoint, Flavorings in Electronic Cigarettes: An Unrecognized Respiratory Health Hazard?

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Medical News

Nobel Prize Winners' Research Relates to Brain Function and Neurodegenerative Diseases

Visualizing Health Policy

Recent Trends in Employer-Sponsored Insurance

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