So far, the American hasn't shown any symptoms of infection from the deadly virus, according to the medical center. Still, he is being monitored in an area that is separated from any other patients, CBS News reported.
Like the Mediterranean diet, the Nordic plan emphasizes barley and other whole grains, berries, veggies, fish, and beans.
The study included nearly 2,200 kids in 20 U.S. cities. One-third of them had consistent, age-appropriate bedtimes between ages 5 and 9, according to their mothers.
The highest risk is among older teens, who account for 88 percent of those who died during the time of the study, the researchers found.
