26°C may be the magic number to keep seniors safe in heat waves
NCT ID NCT06633302
First seen Apr 06, 2026 · Last updated Jun 19, 2026 · Updated 5 times
Summary
This study looked at whether keeping indoor temperature at 26°C (about 79°F) can prevent dangerous heat strain in older adults during a multi-day heat wave. Researchers exposed 18 adults aged 60-85 to simulated heat conditions over three days and two nights, measuring core temperature and heart strain. The goal is to see if current temperature recommendations are enough to protect vulnerable seniors, especially when power outages limit daytime cooling.
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Summaries may miss details or leave out important information. Before applying or accepting participation, make sure you have read and understood the full study. Curemydisease.com takes no responsibility whatsoever for anything missed, misunderstood, or acted upon as a result of our summary — we know it does not capture everything.
This is a summary of the original study . Summaries may miss details or leave out important information. Before applying or accepting participation, make sure you have read and understood the full study. Curemydisease.com takes no responsibility whatsoever for anything missed, misunderstood, or acted upon as a result of our summary — we know it does not capture everything.
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Contacts and locations
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Locations
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University of Ottawa
Ottawa, Ontario, K1N1A2, Canada
What this could mean
Our plain-language read of the trial. This is informational only — not medical advice or a prediction.
What this could lead to
If successful, this could help refine indoor temperature guidelines to better protect older adults during heat waves.
What could go wrong
This is a small, completed study with only 18 participants, so results may not apply to all older adults. It also simulated heat in a lab, not real-world conditions.
Conditions
The condition(s) this trial relates to.
As listed by the trial registrant
The condition terms exactly as the trial's registrant entered them.