Definition of "internal medicine" []

• The branch of medicine that deals with the diagnosis and nonsurgical treatment of diseases affecting adults. (noun)

American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

• ""What we show is that there may be situations where we are driven to seek out and eat very rewarding foods, even if we're full, for no other reason than our brain tells us to," Dr. Jeffrey Zigman, an assistant professor of internal medicine and psychiatry at the University of Texas Southwestern Medical Center and co-senior author of the new study, said in a news release from the school."