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 is marked by extreme tiredness and weakness of the muscles in the body. It is caused by lapse of communication between the nerves and the muscles. It is a type of autoimmune disorder wherein the bodyâs own immune system will attack the muscles causing muscular weakness.yasthenia gravis is marked by extreme tiredness and weakness of the muscles in the body. It is caused by lapse of communication between the nerves and the muscles. It is a type of autoimmune disorder wherein the bodyâs own immune system will attack the muscles causing muscular weakness.