Navigable waters of the United States are those waters that are subject to the ebb and flow of the tide and/or are presently used, or have been used in the past, or may be susceptible for use to transport interstate or foreign commerce.
The Signs & Symptoms of Friedreich's Ataxia are: 1  loss of coordination (ataxia) in the arms and legs. 2  fatigue - energy deprivation and muscle loss.  vision impairment, hearing loss, and slurred speech.
Synonym: Friedreich ataxia. Friedreich's ataxia is the most common inherited ataxia in the UK. It is a degenerative disease that primarily affects the nervous system and the heart.It is frequently associated with cardiomyopathy or diabetes.There is progressive ataxia, dysarthria, decreased proprioception/vibration sense and muscle weakness.riedreich's ataxia is the most common inherited ataxia in the UK. It is a degenerative disease that primarily affects the nervous system and the heart. It is frequently associated with cardiomyopathy or diabetes. There is progressive ataxia, dysarthria, decreased proprioception/vibration sense and muscle weakness.