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.
General Discussion. Friedreichâs ataxia (FRDA) is a genetic, progressive, neurodegerative movement disorder, with a mean age of onset between 10 and 15 years. Initial symptoms may include unsteady posture, frequent falling, and progressive difficulty walking due to impaired ability to coordinate voluntary movements (ataxia).