Prebiotic sodas promise to boost your gut health. Here’s what to eat instead You don’t have to shell out for fancy sodas. It’s easy to fill your plate with fiber, a dietary hero that feeds your gut microbes and prevents disease. Read more on NPR

Up First Briefing: Biden’s Grand Canyon national monument; health tips from Japan. Biden will designate a national monument protecting Indigenous land near the Grand Canyon. NPR’s Yuki Noguchi has lessons from Japan about healthy living. Read more on NPR

How many voters does it take to make a majority? Why Ohio’s Issue 1 is controversial Voters in Ohio will decide on Tuesday whether to make it harder to pass future constitutional amendments, including one on the ballot in November that would codify abortion access. Read more on NPR

Biden is creating a new national monument near the Grand Canyon The president will make the announcement in Arizona on Tuesday. The designation protects lands that are sacred to indigenous peoples and blocks new uranium mine claims. Read more on NPR