The Vegetable World's Ugly Duckling: Celeriac. Celeriac -- also known as celery root, knob celery and turnip-rooted celery -- is cousin to anise, carrots, parsley and parsnips. In winter, it's a great alternative to potatoes and other starches. Jack Staub.
As part of their 60 or more minutes of daily physical activity, children and adolescents should include muscle-strengthening activities, like climbing, at least 3 days a week and bone-strengthening activities, like jumping, at least 3 days a week.
In another study, published Dec. 23 in the Journal of Sports Science, researchers looked at 535 Flemish preschoolers and found that 180 minutes of physical activity per day could translate to anywhere from 4,653 steps per day to 13,326 steps per day, depending on how output from the accelerometer was measured.