Dr. Harold Urschel, chief medical strategist of the Dallas-based addiction-management company EnterHealth.com, author of Healing the Addicted Brain, and fellow Psychology Today blogger, told me: Caffeine is quite addictive in the sense that it is a psychoacive substance. It stimulates certain chemical systems in the brain and this keeps you awake. If you use it on a daily basis, you develop a tolerance, just as you would to pain pills or other drugs.
By On 04/04/17 AT 3:39 PM. Susan Rice, former national security adviser to President Barack Obama, came under fire after reports emerged that she âunmaskedâ President Donald Trumpâs associates caught on tape during intelligence surveillance.
Susan Rice served on President Barack Obama's Cabinet as the U.S. ambassador to the United Nations and as national security adviser. Synopsis Susan E. Rice was born on November 17, 1964, in Washington, D.C. She went on to study at Stanford University and the University of Oxford in Oxfordshire with a focus on international affairs. She worked with President Bill Clinton as part of the National Security Council and oversaw African affairs, later working at the Brookings Institution.