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What Is Obesity?
Overweight and obesity are labels for ranges of weight that are greater than what is generally considered healthy for a given height. The terms also identify ranges of weight that have been shown to increase the likelihood of certain diseases and other health problems.
For adults, overweight and obesity ranges are determined by using weight and height to calculate a number called the "body mass index" (BMI). BMI is used because, for most people, it correlates with their amount of body fat.
Obesity And Co-Morbid Conditions
Research has shown that obesity places you at greater risk for the following conditions.
- Coronary heart disease
- Type 2 diabetes
- Cancers (endometrial, breast, and colon)
- Hypertension (high blood pressure)
- Dyslipidemia (for example, high total cholesterol or high levels of triglycerides)
- Liver and gallbladder disease
- Sleep apnea and respiratory problems
- Osteoarthritis (a degeneration of cartilage and its underlying bone within a joint)
- Gynecological problems (abnormal menses, infertility)
Obesity Facts And Trends
According to recent studies, about a third of all Americans are obese. The good news is that the upward trend of the previous thirty years leveled off towards the end of the the first decade of this century. The upward trend was slightly higher among men than women.
Hispanics and blacks both have a higher prevalence of obesity than whites, with the greatest prevalences of obesity for both blacks and whites being found in the South and Midwest, and the lowest in the West and Northeast.
What To Eat Before Exercising
Eating too soon before exercising, or eating the wrong kind of food, could cause cramps, nausea, indigestion, sluggishness, and even vomiting. However, if you last ate more than 6 hours earlier, your energy will probably run out very quickly and your motivation will likely be low. The goal is to have an empty stomach, but energy in your system. High-carb snacks usually take 1/2 to 1 hour to depart your stomach. Protein can take 2–3 hours.