0
We're unable to sign you in at this time. Please try again in a few minutes.
Retry
We were able to sign you in, but your subscription(s) could not be found. Please try again in a few minutes.
Retry
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 |

The Dietary Fat—Breast Cancer Hypothesis: Is It Really Alive?

Don A. Evans, MD
JAMA. 1990;263(2):237. doi:10.1001/jama.1990.03440020071030.
Text Size: A A A
Published online

To the Editor.—  I found the proclamation by Schatzkin et al1 that "The Dietary Fat—Breast Cancer Hypothesis is Alive" amusing. This idea has been tossed about for years, but little attention has been given to the presence of residual estrogen in the fat consumed. Cattle and hog breeders give beef and pork animals on the hoof high doses of diethylstilbestrol or other potent estrogens to increase the weight gain on the feed lot and thus increase marbling of select cuts.In their paragraph discussing biologic plausibility, several alternative mechanisms are proposed. Until the beef and pork fat sources are assayed for residual quantities of potent estrogens (given by hog and cattle breeders to improve the return on their feed), I will find it hard to regard these studies seriously. Perhaps Schatzkin and colleagues can direct me to the definitive study that allows them to set aside this rather

Topics

Sign in

Create a free personal account to sign up for alerts, share articles, and more.

Purchase Options

• Buy this article
• Subscribe to the journal

Figures

Tables

References

Letters

CME
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.
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.

Multimedia

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

Sign in

Create a free personal account to sign up for alerts, share articles, and more.

Purchase Options

• Buy this article
• Subscribe to the journal

Related Content

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

Jobs
brightcove.createExperiences();