Authored by: Eden Park Art by: Lindsay Wang Historically, researchers and professionals have treated the oral cavity and gut microbiome as mutually exclusive systems of study. The mouth has been the domain for dentists, while the gut belongs to gastroenterologists. However, emerging evidence suggests that these ecosystems have a notable connection called the oral-gut axis. Scientists increasingly describe the mouth as the “front door” to digestive and systemic health systems through microbial...