HEALTHY ADULTS

This study aims to gather normal fitness data from 800 healthy adults aged 18-65. Participants will perform a 3-minute step test to measure heart rate and estimate oxygen use. The results will help create standard fitness values for future comparisons.

This study aimed to see if measuring stable carbon and nitrogen isotopes in blood, hair, and fingernails could more accurately track what people eat compared to standard diet surveys. Researchers planned to feed healthy adults controlled meals and then test samples. However, the …

This study aims to understand how the immune system remembers vaccines over time. Twenty-five healthy adults will receive four FDA-approved vaccines at once and provide blood and bone marrow samples for up to two years. The goal is to track immune cells in the bone marrow that pr…

This study tests whether a prebiotic supplement called human milk oligosaccharides (HMOs), naturally found in breast milk, can help adults living in Antarctica maintain a healthy gut, immune system, and metabolism. 26 healthy adults wintering at the Concordia station will either …

This study tests how different patterns and locations of spinal cord stimulation affect leg muscle responses and how comfortable people feel during the stimulation. It involves 50 healthy adults aged 18-75. The goal is to find the best stimulation settings for future use in rehab…

This pilot study tests whether eating one healthy cookie each day for two weeks can improve how your cells produce energy. Researchers will measure changes in mitochondria (the cell's power plants) from blood and muscle samples. The study involves 24 healthy, non-smoking adults a…