Eight Numbers that Can Save Your Life

More and more Americans are weighing in as obese, creating a health crisis in the country. When it comes to your body, eight critical numbers can save your life:

1. Weight
2. Body Mass Index (BMI)
3. Body Composition

4. Hormone Levels

5. Waist-to-Hip Ratio
6. Cholesterol
7. Bone Density
8. Blood Pressure

Know Your Weight
Plastic surgeon Dr. Drw Ordon and pediatrician Dr. Jim Sears hit the streets of Hollywood to prove that when it comes to weight, what you don't know might hurt you! Step Right Up!

Body Mass Index
Body Mass Index (BMI) is a number calculated from a person's weight and height to determine the overall fitness of an individual. BMI does not measure body fat directly, but is used as a diagnostic tool to identify potential obesity problems. Calculate Your BMI

Body Composition Index
The basic rule of body composition measurement is that muscle sinks and fat floats. Tarita takes a dunk in the Fitness Wave mobile hydrostatic body fat testing lab and gets her body composition measured. Take the Plunge!

Hormone Levels
A woman's hormone levels can affect everything from her mood, skin and hair to her menstruation cycle and fertility. When hormone levels are off, the body suffers. OB/GYN Dr. Lisa Masterson explains medical options to remedy female hormone disorders.  Treatments for Polycystic Ovarian Syndrome

Apples vs. Pears
Sports medicine orthopaedist Dr. Vonda Wright says that when it comes to fat, it's all about location, location, location. Fat is metabolically active, so it matters where we accumulate it.  How Your Body Shape Affects Your Health

Bone Density
Bones are filled with minerals that supply our bodies with energy. Bones will replenish themselves up to 10 percent every year, and one way to make them stronger is to engage in weight-bearing activity. How to Keep Your Bones Healthy

Blood Pressure
E.R. physician Dr. Travis Stork explains what the numbers in a blood pressure reading mean, and demonstrates how it's measured. Must-Know Info about Blood Pressure