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DAILY NEWS ANALYSIS

  • 19 February, 2026

  • 4 Min Read

Havana Syndrome

Havana Syndrome refers to a set of mental health and neurological symptoms experienced by some United States intelligence, diplomatic, and embassy personnel in various countries. Recently, the Pentagon is testing a covertly acquired device that emits pulsed radio waves, reopening discussions about the potential causes and mechanisms behind Havana Syndrome.

About Havana Syndrome

  • Havana Syndrome is not a single medical condition, but a collection of symptoms that often appear together and whose origin is difficult to confirm.

  • Common symptoms include:

    • Hearing certain sounds without any external source

    • Nausea and vertigo

    • Headaches and memory loss

    • Balance issues and disorientation

    • Sleep disturbances such as insomnia

Origin of Havana Syndrome

  • The syndrome first appeared in late 2016 among US diplomats stationed in Havana, Cuba.

  • This occurred about a year after the US reopened its embassy in Havana following the normalization of US-Cuba relations in 2015.

  • Affected personnel reported sudden pressure in the head, persistent headaches, disorientation, and sleep disturbances.

  • In India, the first case was reported in 2021, when a US intelligence officer visiting New Delhi with CIA Director William Burns experienced similar symptoms.

  • Causes of the syndrome remain uncertain, though studies and investigations continue into environmental, psychological, and technological explanations.

Recent Developments

  • The Pentagon is currently testing a device that emits pulsed radio waves, which may help explain the neurological effects seen in Havana Syndrome cases.

  • This development has reignited questions about whether external energy-based devices could be responsible for the syndrome, though conclusive evidence has not yet been found.

Significance

  • Havana Syndrome has raised international security and diplomatic concerns, especially for US personnel stationed abroad.

  • Understanding the syndrome is critical to:

    • Protect the health of diplomats and intelligence officers

    • Identify possible technological or environmental threats

    • Formulate preventive and medical protocols for affected personnel

Conclusion

Havana Syndrome remains a mysterious and controversial phenomenon. The ongoing Pentagon tests with pulsed radio wave devices may provide clues to its underlying cause. Meanwhile, governments and intelligence agencies continue to investigate, monitor, and address the health and safety of affected individuals.


Source: THE HINDU


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22 Mar,2026

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