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.
The main symptoms of Crohn's disease include: 1  Belly pain. 2  Diarrhea. 3  Loss of appetite. 4  Fever. Weight loss.  Too few red blood cells 1  (anemia). Small tears in the anus (anal fissures) that may go away, but come back  again.