Use this calculator to determine whether a child is at a healthy weight for his/her height, age and sex. The BMI-percentile-for-age calculator automatically adjusts for differences in height, age and ...

A friend of mine said she has a dumb obesity-related question for me: How can 15 percent of kids be above the 95th percentile? Let me explain. My friend’s girls — like most kids nowadays — are ...

For decades, parents have viewed their child’s spot on the growth chart as if it were a grade on a test. But how useful are these diagrams, really, in communicating the state of your child’s health?