 Reif's work wasn't just theoretical. He built a device called the Reif Frequency Generator, capable of emitting these targeted electromagnetic waves. Studies documented remarkable results with significant regression of tumors in cancer patients. Although further research is needed to fully validate his findings, Reif's legacy offers a tantalizing glimpse into a future where sound may hold the key to conquering some of humanity's deadliest diseases. This information is for general knowledge purposes only. Don't take this as medical advice.