Frequency

Straight Talk: The Red-Background Low-Frequency List – What's Real?

You’ve seen it – that stark image with a red background and bold white text listing specific frequencies and their supposed effects:

• 4.5 Hz → Paranoia
• 6.6 Hz → Depression/Suicide
• 8 Hz → Animals fall asleep
• 11 Hz → Manic behavior/Anger
• 25 Hz → Blindness (if aimed at the head) or Heart attack (if aimed at the chest)
• And others claiming to induce hysteria, trauma, lust, murder, even cancer.

It often floats around with whispers of being “declassified” information, sometimes tied to a story about the CIA passing mind-control tech to Margaret Thatcher in 1977. The design is simple but hits hard – urgent red, no sources, just the list.

Typical version of the viral image that’s been circulating for years.

Another common variant – same list, same vibe.

Here’s the straight talk: Low frequencies do affect the human body and mind. Infrasound (sounds below 20 Hz) and extremely low-frequency vibrations can trigger real physiological responses – unease, anxiety, nausea, chest pressure, chills, fatigue, even visual disturbances when certain frequencies resonate with the eyeball or organs. These effects have been documented in labs, workplaces, and even “haunted” locations where infrasound turned out to be the culprit.

Military and scientific organizations have explored acoustic and electromagnetic effects for decades. Non-lethal sound devices exist, and infrasound has been studied for its ability to create visceral discomfort. The intuition behind the list – that invisible low frequencies can influence how we feel – isn’t wrong.

What doesn’t hold up are the ultra-precise, push-button claims: that exactly 6.6 Hz will drive someone to suicide, or 25 Hz directed at the chest causes an instant heart attack. Real effects are broader, less predictable, and require significant intensity. There’s no published research or verified document supporting those specific pairings or the idea of a catalogued “mind-control frequency list.”

The red-background image and its variants have been online since at least the early 2000s, spreading through forums and social media. It blends genuine science with exaggeration, which is why it feels plausible even though the details don’t check out.

Further Reading – Solid, Legitimate Sources

• Vic Tandy & Tony Lawrence – “The Ghost in the Machine” (1998)
  The original paper linking ~19 Hz infrasound to feelings of dread and visual “ghost” phenomena in a lab.
• The Guardian – “The fear frequency” (2003)
  Accessible write-up of Tandy’s work and how low frequencies cause unease and hallucinations.
• Nature Scientific Reports (2021) – Pilot study on airborne infrasound effects on mental health and cognition
• Applied Sciences Review (2020) – Low-Frequency Noise and Its Main Effects on Human Health
• World Health Organization – Extremely Low Frequency Fields Environmental Health Criteria (2007)
• Wikipedia – Infrasound overview (well-referenced entry with sources)
• Physicians for Human Rights – Overview of acoustic crowd-control weapons (real deployed tech)

No hype, just the facts. Low frequencies can mess with you – that part is real science. The exact viral list? Not so much.

Stay curious, stay skeptical.