70.9% of the Earth's surface is covered by water. Of that, 97% is in the Earth's oceans, 2.4% are in polar ice caps and glaciers, and the remaining 0.6% is in the land surfaceâ¦ water areas of the Earth.
Hypertrophic obesity is excessive weight gain in adulthood. Hypertrophic is when the fat cells get bigger. This is as opposed to Hyperplastic obesity, which is the gaining of fat cells. The latter only occurs during childhood, or if the person gains a lot of weight fast.
Defining Obesity. A clear definition of morbid obesity is very important because this definition is used to guide doctors in the selection of treatment options for people who are overweight. Individuals are usually considered morbidly obese if their weight is more than 80 to 100 pounds above their ideal body weight. A more widely accepted and more exact way to define morbid obesity is with the body mass index (BMI). The BMI is calculated as follows: BMI = weight (kg)/height (m2). To find out what your BMI is click here.