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.
Signs and Symptoms. In Friedreich's ataxia (FA), the sequence and severity of symptoms varies greatly from person to person. Ataxia, or loss of balance and coordination, is usually the first symptom noticed. Other symptoms â including cardiac problems â may appear later. See Medical Management for information about dealing with these symptoms.