By sending ELF-Extremely Low Frequencies into a place of known and above average cancer rates in the middle of the night as people sleep, you can boost their immune system and help keep free radicals in their body . The mind operates at these frequencies and puts the mind into a theta state of profound thought. Good frequencies to the immune system are 8.5 Hz and 7.89 Hz close to the Earth's own resonance. By enabling the brain time in this level the body and central nervous system may re-align and release these free radicals from damaging the DNA or causing a number of problems.