Anxiety is both a mental and physical state of negative expectation. Mentally it is characterized by increased arousal and apprehension tortured into distressing worry, and physically by unpleasant ...

Myasthenia gravis usually does not shorten life expectancy, but severe muscle weakness that affects breathing can be life threatening. Myasthenia gravis symptoms may begin suddenly and often progress ...

Herpesvirus is an infectious agent belonging to the virus family Herpesviridae that causes latent and lytic infections in a wide range of animals and humans. There are 8 herpesvirus types currently ...