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.
Difficulty with walking is the most common initial symptom of the condition. Many people with this condition also have some form of heart disease. Approximately 75 percent of people with Friedreichâs ataxia have heart abnormalities. The most common type is hypertrophic cardiomyopathy, a thickening of the heart muscle. The symptoms of heart disease include heart palpitations, chest pain, and shortness of breath. Friedreichâs ataxia can eventually lead to diabetes.