Schilder's Disease could be due to mild but persistent mercury poisoning,
Schilder Disease 250 780 930 7500 (sq 1089 9590 3225-3 4157 5629-1 7420-6) Hz
This disease causes vision problem, hearing problem, muscle weakness on one side of the body, balancing problem etc...
Children are susceptible.
Rife frequencies for mercury poisoning,
Good luck.