Caffeine's effect on blood health in healthy adults
Treatments studied
This study looks at how regular or no caffeine intake affects your blood system. It aims to understand if caffeine changes blood cell counts and immune function.
Summary written for real people, not researchers, by Clin2.
Who can take part
- You are a healthy adult aged 18 or older.
- You either drink at least 1 cup of coffee or 1 energy drink daily, or you rarely have caffeine (no more than 1 cup per month).
- You have been a regular consumer or non-consumer of caffeine for at least 6 months.
- You are willing to fast before certain study procedures.
- You do not have any chronic illness (like diabetes or thyroid problems) or take medication that affects your metabolism.
- You have no personal history of cancer, blood disorders, or radiation therapy.
- You are not allergic or sensitive to caffeine.
- You do not have a weakened immune system.
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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