Havana Syndrome: Real Theories Behind the Hype episode artwork

EPISODE · Jun 25, 2026 · 4 MIN

Havana Syndrome: Real Theories Behind the Hype

from Understand All · host Aaron Barlow

A headache, a strange room noise, and a diplomatic posting in Havana turned into one of the strangest modern medical mysteries: Havana Syndrome, or anomalous health incidents. In this episode, we dig into the real theories behind the hype — from directed energy and environmental causes to stress, crickets, and what the NIH and intelligence reviews actually found — so listen now before the myth outruns the evidence.Havana Syndrome is one of the strangest modern medical mysteries: diplomats reported dizziness, head pressure, ear pain, and brain-fog symptoms, and the story quickly grew into a debate over directed energy, environmental exposure, stress, and mass psychogenic illness. In this episode, we separate the real evidence from the hype and look at what NIH and intelligence reviews actually found.• Real symptoms can be serious even when the cause is unclear • Large NIH studies found no unique brain-injury pattern • Intelligence assessments found a foreign weapon campaign very unlikely • Some “mystery sounds” may have had ordinary explanations, including crickets 2:10 — First reports in Havana 6:05 — Competing theories explained 11:20 — NIH findings and brain scans 16:15 — Intelligence review and what changed 20:40 — Why this story spread so fast Related resources: [Transcript](#), [More episodes](#), [NIH](https://www.nih.gov), [National Academies](https://www.nationalacademies.org), [ODNI](https://www.dni.gov). If this episode changed how you think about medical mysteries and misinformation, share it and subscribe for the next one.

Episode metadata supplied by the publisher feed · Published Jun 25, 2026

Embed this episode

NOW PLAYING

Havana Syndrome: Real Theories Behind the Hype

0:00 4:13

No transcript for this episode yet

We transcribe on demand. Request one and we'll notify you when it's ready — usually under 10 minutes.

No similar episodes found.

Frequently Asked Questions

How long is this episode of Understand All?

This episode is 4 minutes long.

When was this Understand All episode published?

This episode was published on June 25, 2026.

Can I download this Understand All episode?

Yes. Use the download control on the episode player to save the publisher-provided media file.
URL copied to clipboard!