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.
The main symptoms of Crohn's disease include: 1  Belly pain. 2  Diarrhea. 3  Loss of appetite. 4  Fever. Weight loss.  Too few red blood cells 1  (anemia). Small tears in the anus (anal fissures) that may go away, but come back  again.