How obesity affects gut health and blood vessel function
Part of Hormones & metabolism clinical trials.
This study compares people with normal weight to people with obesity who are otherwise healthy to understand how body weight affects gut bacteria, immune function, and blood vessel health. Results may help explain why some people with obesity stay healthier than others.
Summary written for real people, not researchers, by Clin2.
Who can take part
- Be between 18 and 55 years old
- Have a BMI under 25 (normal weight) OR over 30 (obese) — no in-between weights
- Have minimal heart disease risk factors (normal blood pressure, blood sugar, cholesterol, and triglycerides)
- Not take regular medications for blood pressure, cholesterol, blood sugar, weight loss, or inflammation
- No recent antibiotics or probiotics (last 30 days), no tobacco, no illicit drugs, and no pacemaker
- Able to lie flat and still in darkness for 10 minutes during a vascular test
Quick eligibility check
Answer a few plain-language questions, based on this study's own requirements, to get a preliminary sense of fit.
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