More kissing, less kimchi: seven surprising ways to boost your gut health

Here is a 175-word summary of the news article: The article explores seven surprising ways to boost gut health beyond just eating probiotic foods. While a decade ago, gut-healthy foods like kimchi and yogurt were considered niche, they have now become mainstream as people recognize the importance of maintaining a healthy microbiome. However, the article notes that diet is not the only way to support gut health. Other habits can also nurture the trillions of microorganisms that make up the gut. These include gardening, which exposes people to diverse soil microbes, and getting a dog, as pet ownership has been linked to greater gut biodiversity. Humming and kissing more can also benefit gut health by altering the oral microbiome. The article emphasizes that there are many simple, everyday activities beyond just eating probiotic foods that can positively impact the gut microbiome. This expanded understanding of gut health goes beyond the initial "gut health revolution" that focused primarily on diet.