 She says those concerns are emerging and not well studied so far. More data is needed. Still, she says, putting age limits on NA beverages would help keep these adult-themed products away from kids. Ping Huang, NPR News. Yesterday was forecast to be the busiest travel day ever at the nation's airports, and given the number of passenger screenings by the Transportation Security Administration, that was not just hype. TSA says they screened more than 3 million passengers today.