Overview
The purpose of this study is to understand how cells of the immune system use the common sugar glucose to fuel energy production and as a building block within the cell. Investigators will intravenously infuse a non-radioactive glucose tracer into participants over a few hours and collect immune cells from the blood to track uptake and usage of this glucose within these immune cells.
Eligibility
Inclusion Criteria:
- Adults aged 18 or older
Exclusion Criteria:
- Pregnant
- Prisoner or in police custody
- Uncontrolled hyperglycemia/diabetes
- Current participation in another study where the total volume of blood drawn, when added to this study blood draw volume, exceeds 500cc in an 8 week period
- Any medical issue or pharmacologic exposure which, in the opinion of the study investigator, that might interfere with the study objectives
- Any reason which, in the opinion of the study investigator, adds additional risk to the participant