Discuss Alterations to the Gastrointestinal Microbiome Associated with Methamphetamine Use among Young Men who have Sex with Men/Experiment 1

Possibly relevant EFO terms for methamphetamine use:

1. http://www.ebi.ac.uk/efo/EFO_0004701 (probably closest, even if it is only use within last 6 months and not necessarily abuse or disorder)
2. http://www.ebi.ac.uk/efo/EFO:0005242