We're unable to sign you in at this time. Please try again in a few minutes.
We were able to sign you in, but your subscription(s) could not be found. Please try again in a few minutes.
There may be a problem with your account. Please contact the AMA Service Center to resolve this issue.
Contact the AMA Service Center:
Telephone: 1 (800) 262-2350 or 1 (312) 670-7827  *   Email: subscriptions@jamanetwork.com
Error Message ......
Article |

Essential Fatty Acids in Nutrition and Metabolism

AMA Arch Intern Med. 1960;105(1):33-38. doi:10.1001/archinte.1960.00270130049006.
Text Size: A A A
Published online


In 1929, Burr and Burr 1 found that the rigid exclusion of fat from the diet of rats induced a deficiency disease characterized by cessation of growth, scaly skin, cessation of reproduction, caudal necrosis, and kidney malfunction. The large body of research done in the years since then has confirmed and extended the original reports. This background information is summarized in a recent review.2 Increased interest in the role of lipides in metabolic and pathologic processes has focussed considerable attention upon the essential fatty acids (EFA), and it will be the purpose here to discuss a few recent and current researches and concepts regarding the function and metabolism of these substances.

Effects of EFA Deficiency  The symptoms commonly taken as a measure of EFA deficiency are diminished growth and scaliness of skin (Fig. 1). The normal yellow-brown pigment of the rat skin also disappears during deficiency,3 and the


Sign in

Purchase Options

• Buy this article
• Subscribe to the journal
• Rent this article ?

First Page Preview

View Large
First page PDF preview





Also Meets CME requirements for:
Browse CME for all U.S. States
Accreditation Information
The American Medical Association is accredited by the Accreditation Council for Continuing Medical Education to provide continuing medical education for physicians. The AMA designates this journal-based CME activity for a maximum of 1 AMA PRA Category 1 CreditTM per course. Physicians should claim only the credit commensurate with the extent of their participation in the activity. Physicians who complete the CME course and score at least 80% correct on the quiz are eligible for AMA PRA Category 1 CreditTM.
Note: You must get at least of the answers correct to pass this quiz.
Please click the checkbox indicating that you have read the full article in order to submit your answers.
Your answers have been saved for later.
You have not filled in all the answers to complete this quiz
The following questions were not answered:
Sorry, you have unsuccessfully completed this CME quiz with a score of
The following questions were not answered correctly:
Commitment to Change (optional):
Indicate what change(s) you will implement in your practice, if any, based on this CME course.
Your quiz results:
The filled radio buttons indicate your responses. The preferred responses are highlighted
For CME Course: A Proposed Model for Initial Assessment and Management of Acute Heart Failure Syndromes
Indicate what changes(s) you will implement in your practice, if any, based on this CME course.


Some tools below are only available to our subscribers or users with an online account.

10 Citations

Sign in

Purchase Options

• Buy this article
• Subscribe to the journal
• Rent this article ?

Related Content

Customize your page view by dragging & repositioning the boxes below.