It helps our bodies absorb calcium, and low levels can result in muscle pain and weakness. Low levels may predispose people to diabetes, rheumatoid arthritis and other diseases. It may play a role in balance, gum disease and depression.

Researchers found that even people on strict diet and exercise programs lose weight more slowly than expected because they eat more on weekends. Here are some ways to stay true to your diet on Fridays, Saturdays and Sundays.

By the end of summer, kids of all ages are usually wandering around the house chanting the infamous whine, "I'm bored!" Some parents and caregivers accept full responsibility for entertaining their children, but that stops the kids from learning to prevent - and solve - this problem independently. It's actually a parent's job to teach children how to entertain themselves. And after that, it's up to the kids to keep themselves busy. How can parents accomplish this seemingly daunting task?