Diplomatic Thaw and Emergence of Havana Syndrome

Dil Bar Irshad | February 17, 2026 | 10:46 PM IST | Featured by VoM, Politics, World | Follow on Google News

Diplomatic Thaw and Emergence of Havana Syndrome

In 2015, under then US President Barack Obama, the United States officially restored diplomatic relations with Cuba, reopening embassies after more than five decades of hostility. The move was widely seen as a historic reset in ties between Washington and Havana.

But the rapprochement soon faced an unexpected challenge.

Beginning in late 2016, American diplomats and intelligence personnel stationed in Havana began reporting sudden and troubling health problems. The symptoms — severe headaches, dizziness, tinnitus, nausea, memory lapses and difficulty concentrating — were later grouped under what became popularly known as “Havana Syndrome.”

Norwegian Scientist Gives Himself Brain Damage, Trying To Disprove ‘Havana Syndrome’

The unexplained medical cases quickly drew international attention and cast a shadow over the fragile diplomatic thaw. Since the first reports in Cuba, similar incidents have surfaced in China, parts of Europe and even Washington. The US government now refers to such cases as “Anomalous Health Incidents.”

Investigations have involved multiple agencies, including the Central Intelligence Agency and the United States Department of State.

Investigations, Theories and Ongoing Debate

Scientific and intelligence reviews have produced mixed findings.

Studies led by the National Institutes of Health concluded that while affected individuals experienced genuine and sometimes debilitating symptoms, brain imaging did not reveal consistent evidence of physical injury. Subsequent intelligence assessments suggested it was unlikely that a foreign adversary was responsible in most cases, though investigators stopped short of ruling out all possibilities.

Several theories have emerged over the years. Some researchers argue the symptoms may be linked to stress-related illnesses or environmental exposure. Others have explored whether pulsed microwave radiation or directed-energy devices could be responsible, but no conclusive proof has been established.

The controversy resurfaced after reports by Reuters and The Washington Post revealed that a Norwegian scientist built a microwave-emitting device to test the directed-energy hypothesis on himself. According to the reports, he later developed neurological symptoms similar to those described in Havana Syndrome cases. US officials, including representatives from the United States Department of Defense, reviewed the findings.

Experts caution that a single self-experiment cannot establish causation. Nearly a decade after the first reports, Havana Syndrome remains one of the most controversial and unresolved medical and intelligence mysteries in recent years.

Dil Bar Irshad

Dil Bar Irshad is a seasoned journalist, hails from Jammu Kashmir's Doda, covers political, social, business stories, index stories.