The purpose of this study is to identify proteins in the blood that drive age-related changes in our internal clock, which are known to contribute to disease. We are hoping that this research may lead to finding new therapeutic targets to improve health in aging.
Circadian and Aging
Identifying Blood-Borne Factors Over Circadian Time and Aging
Purpose of this Study
Objectives
We are studying how the body’s internal clock changes with age to understand how this contributes to age-related diseases. Our goal is to identify proteins in the blood that are affected by both age and the time of day, which could lead to new ways to treat these diseases.
You may be able to join the study if:
- Age 25-40 or 65-85
- Keeping typical hours (i.e., not night or rotating shift work).
You may NOT qualify if:
- Using insulin or stimulant medication
- Uncontrolled medical conditions
Duration of the Study
One day
Study Procedures
- Two blood draws (morning and afternoon)
- Medical history and physical exam
- Sleep questionnaire
Compensation
You may earn up to $60 for completing all study-related visits.
Study Location
UT Health San Antonio
Sam and Ann Barshop Institute for Longevity and Aging Studies
4939 Charles Katz Dr.
San Antonio, TX 78229
Contact Us
- Thank you for your interest in one of our studies! Please complete this form and we will contact you to let you know more about this study.


