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.
SUPPLEMENTAL DATA: E - APPENDIX I (E)A-1): RATING SCALE FOR FRIEDREICHâS ATAXIA. I. FUNCTIONAL STAGING FOR ATAXIA. Increment by 0.5 may be used if the status is about the middle between two stages. STAGE. STAGE 0: Normal. STAGE 1.0: Minimal signs detected by physician during screening. Can run or jump without loss of. balance. No disability.