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.
Kids and teens should get at least 60 minutes of moderate to vigorous physical activity every day. They can get even more health benefits from doing a couple of hours of physical activity every day. To help kids and teens be active every day, they need opportunities for sport, play and exercise at school, after school and on weekends.