The charts that doctors use when assessing a baby's birth weight should take into account the mother's ethnicity, to better predict health problems after birth, a new study from Canada suggests. For ...

A healthy weight can depend on many factors, including your age, sex, muscle mass, bone mass, and lifestyle. Some measures, like body mass index (BMI), do not take all of these measures into account.

Every child grows differently – It's totally normal for kids to be bigger or smaller than others at the same age. What's more important is that they grow steadily over time. Growth charts are just a ...

Babies develop at very different rates, both physically and when reaching developmental milestones like sitting, walking or ...

If you wonder how your body sizes up to others your age, it can help to compare to the average weight and height of teenagers. Keep in mind there are several factors that affect the average weight of ...