You have your kneepads and your helmet. Or your faceguard and your gloves. Before you walk onto the playing field, don’t forget to protect your eyes.

BMI, or body mass index, uses weight and height to calculate weight status for adults. BMI for children and teens also takes into account gender and age because healthy body fatness differs between boys and girls and changes as they grow. This BMI calculator will help you determine if your child is at a healthy weight.

This short assessment will help you find out if you have major risk factors for ovarian cancer.

Your wrist is a complex joint made up of many bones, allowing you to move your hand up and down, and side to side, as well as to rotate. A fracture can occur in any of these bones when enough force is applied—when you fall on an outstretched hand, for example. In this video, you'll find out other causes, as well as how a wrist fracture is treated.

This procedure is most often done to remove lymph nodes when a person has lung cancer.