Sequencing of 16S ribosomal RNA genes revealed a relative abundance of Bacteroidetes and Verrucomicrobia bacteria in mice fed alcohol compared with a relative predominance of Firmicutes bacteria in control mice. (jcvi.org)
Children born by Cesarean section have higher numbers of Firmicutes bacteria as seen in obese individuals as well. (perqueintegrativehealth.com)
One study found that there was significantly lower amounts of the bacteria Prevotella and increased levels of Firmicutes in constipated patients. (mindbodygreen.com)