In addition to toxin producing algae, a number of. freshwater and marine species can be regarded as nuisance algae. These cause problems. in water treatment and deleteriously affect the aesthetics of marine waters. A number of. strategies can be employed to control or remediate eutrophication and algal blooms.
Specific symptoms include. 1  Difficulty walking. 2  Muscle weakness. 3  Speech problems. 4  Involuntary eye movements. 5  Scoliosis (curving of the spine to one side) 6  Heart palpitations, from the heart disease which can happen along with Friedreich's ataxia.
Ataxia can develop over time or come on suddenly. Ataxia, a sign of a number of neurological disorders, may cause: 1  Poor coordination. 2  Unsteady walk and a tendency to stumble. 3  Difficulty with fine motor tasks, such as eating, writing or buttoning a shirt. 4  Change in speech. 5  Involuntary back-and-forth eye movements (nystagmus).