The purpose is to advance microbiome research to the point where the information it provides can be applied to improve human health
The function is, participants have to go through a survey of their disease history, general health status, lifestyle and diet. After then on, participants have to mail their sample to Knight lab at UC San Diego School of Medicine if they are in U.S. If they are in Britain, mail it to department of twins research at King’s college.
The effect is participants receive a report which tell them
on what's inside their gut.