SC health officials define obesity as anyone with a Body Mass Index (BMI) of 30 or above. So how is that calculated?

With the heat of summer upon us, we hear a lot about the heat index in our weather forecasts these days. But what exactly is the heat index and how is it calculated?

Turns out both things are true: it’s called the Heat Index. The heat index is used to calculate not the actual temperature of the air around you, but instead how hot you feel.

Medically reviewed by Suzanne Fisher, RD Calculating your body mass index (BMI) involves using a simple formula with your weight (in pounds or kilograms) and height (in inches or meters). BMI is ...