A vegan or vegetarian diet alter the gut biome[1] "Maintaining a strict vegan or vegetarian diet results in a significant shift in the microbiota while total c

A vegan or vegetarian diet alter the gut biome[1] "Maintaining a strict vegan or vegetarian diet results in a significant shift in the microbiota while total cell numbers remain unaltered." Another study[2] found that the biome changes as soon as one day after changing diets. 1: http://www.nature.com/ejcn/journal/v66/n1/full/ejcn2011141a.html http://www.nature.com/ejcn/journal/v66/n1/full/ejcn2011141a.... 2: http://www.medscape.com/viewarticle/817769 http://www.medscape.com/viewarticle/817769, http://www.nature.com/nature/journal/v505/n7484/full/nature12820.html http://www.nature.com/nature/journal/v505/n7484/full/nature1...