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The microbiome

The human microbiome describes the bacterial, fungal and viral communities which live on or in us. The low diversity and dominance of certain bacteria in our intestine is called dysbiosis and is linked to various diseases, including C. difficile infections, cancers, diabetes, allergies and obesity. The first 'seeding' of our gut microbiome is birth delivery. Naturally-delivered babies receive vaginal and rectal bacteria, and C-section babies receive skin and hospital-equipment bacteria. Milk provides the next bacterial influx, with >200 bacterial species known to contribute to microbiome development.