Chill out and live longer? scientists test cold water for healthy aging
NCT ID NCT06432491
First seen Jun 27, 2026 · Last updated Jun 27, 2026
Summary
This study tests whether drinking cold water (4°C) four times a day for six months can lower body fat and slow aging in healthy adults aged 50-65. Researchers will compare the cold water group to a group drinking warm water (37°C). Participants will undergo body scans and health checks at the start, 3 months, and 6 months.
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Study facts
What this study's own registry entry says, in plain language.
- Phase
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Not a phased trial
Phase numbers describe drug development. The registry uses this when they do not apply, as it does for trials of devices, procedures or behaviour changes, and for observational studies.
- Participants
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About 36 people
The number the study aims to enrol. It can still change while the study runs.
- Started
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Jan 2025
- Expected to finish
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Dec 2026
An estimate. End dates often move.
- Lead sponsor
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Other sponsor
The registry's catch-all category, for sponsors it does not file as a company, a government agency, or a research network.
Who can take part
This study's own entry requirements. Only the study team can say for certain whether you qualify.
- Ages
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50 to 65 years
- Sex
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Anyone
- Healthy volunteers
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Accepted
You do not need to have the condition being studied to take part.
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Copied word for word from the study's registry entry, so the wording is the study team's rather than ours.
Inclusion Criteria: * Aged between 50 and 65 years old (including 50 and 65) * No surgery in the past 6 months * Healthy (No metabolic diseases, cardiovascular diseases, lung diseases (COPD, asthma, et al.), endocrine diseases and gastrointestinal diseases) * Based in Shenzhen during the whole study period * No significant change on body weight in the past 3 months Exclusion Criteria: * Those who need to take medication for a long term (including diet pills) * On a diet * Disabled * Females who are trying to get pregnant, pregnant, or breastfeeding * Presence of a metal implant in the body (e.g. pacemaker) * Those with claustrophobia * Those with blood phobia, pathological hypotension or hypertension * Those who are in other intervention studies
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Genom att skicka in godkänner du våra Användarvillkor
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.
How to take part
Only the study team decides who joins. These are the ways to reach them.
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The places running it
1 site. The list below names each one and where it is.
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The official record
ClinicalTrials.gov lists the study team's own contact details, including names and phone numbers. We don't republish those.
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A doctor treating you
A doctor who knows your case can contact a study site on your behalf, and can tell you whether this study is worth pursuing at all.
Contacts and locations
Locations
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Shenzhen Institute of Advanced Technology, Chinese Academy of Sciences
RECRUITINGShenzhen, Guangdong, 518055, China
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