The Meaning of Freedom. Columbia historian Eric Foner traces the shifting definition of American liberty in USCâs sixth annual Law and Humanities Distinguished Lecture. November 1, 2007. When it comes to freedom in America, thereâs no single lasting definition, according to world-renowned historian Eric Foner.
The first symptoms of myasthenia gravis may be: 1  Weakness of the eye muscles. 2  Difficulty in swallowing. 3  Slurred speech.
Myasthenia gravis can sometimes affect the muscles of the arms, legs and neck. This can cause mobility problems, such as a waddling gait, head drop and difficulty performing physical tasks such as lifting. The specific muscles affected (promixal muscles) often leads to difficulty: rising from sitting to standing.