Genetic predisposition alone cannot fully explain the current rise of food sensitivities, like celiac disease. Scientists have characterized the bacterial enzyme elastase involved in driving immune activation and worsening reactions to gluten in genetically susceptible hosts.

Little is known about the quantitative contribution of the host and the gut microbiome to drug metabolism. Using an experimental and computational methodology, scientists have provided some clues about how the gut microbiome influences our ability to metabolize antiviral drugs and benzodiazepines.

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