Gulf of Guinea. Gulf of Guinea, part of the eastern tropical Atlantic Ocean off the western African coast, extending westward from Cap LÃ³pez, near the Equator, to Cape Palmas at longitude 7Â° west. Its major tributaries include the Volta and Niger rivers.
Being overweight has a clear association with important health problems, and even modest weight loss has important health benefits, said Walter Willett, an expert on nutrition and health at the Harvard School of Public Health. To tell people it doesn't matter is really misleading. It does make a difference.
1 Weight and height are used to calculate a number called the body mass index (BMI). 2  For most people, BMI is a good estimate of body fatness. 3  A BMI of 25 to 29.9 is considered overweight. 4  A BMI of 30 or higher is considered obese. The terms overweight and obese describe weight ranges that are above what is medically accepted as healthy. 2  Being in either the overweight or obese weight ranges increases the likelihood of certain diseases and health problems. 3  Over one-third of U.S. adults (~36%) are obese.