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Bleach, ant killer, and gasoline are poisons commonly found in the home. But plenty of other toxic or hazardous chemicals fill our shelves and cupboards, and some of them may surprise you. Hairspray, for instance, is highly flammable. Learn more about these chemicals by taking this quiz.

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 assessment is valid for women between the ages of 21 and 69 who have had sexual intercourse at least once and who have not had a hysterectomy with removal of the cervix.

Artificial hip joints have become quite common in recent years. Over time, however, some hip implants may loosen or otherwise need to be repaired. This video takes a look at hip revision surgery.

During this procedure, a transducer is inserted down the esophagus. This provides a clearer image of the heart because the sound waves do not have to pass through skin, muscle, or bone.