Vibrating Camouflage Patterns

Scientists are trying to see if manipulating gut microbes can improve soldiers mental health, make them less anxious in the field. The first step is in a lab environment, so everything is super controlled and it's pretty small. Eventually, they'll be collecting data from 54 participants. And all those participants will spend about five son the trial. During that time, the team will control everything as much as possible,. They tell the volunteers when they can and can't exercise. They monitor sleep, they control their diet. So all these factors that we know or think and pack them micro biota, we try to control them as much as we can during the studies.

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