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.
Obesity is a serious disease with symptoms that build slowly over an extended period of time. The National Institutes of Health (NIH) define morbid obesity as: 1  Being 100 pounds or more above your ideal body weight. 2  Or, having a Body Mass Index (BMI) of 40 or greater.3  Or, having a BMI of 35 or greater and one or more co-morbid conditions.he National Institutes of Health (NIH) define morbid obesity as: 1  Being 100 pounds or more above your ideal body weight. 2  Or, having a Body Mass Index (BMI) of 40 or greater. 3  Or, having a BMI of 35 or greater and one or more co-morbid conditions.