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Overweight and obesity are both 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.

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  1. 1. http://www.fitango.com/categories.php?id=652Fitango EducationHealth TopicsObesity
  2. 2. 1Defining Overweight andObesityOverweight and obesity are both labelsfor ranges of weight that are greater than what isgenerally
  3. 3. 2Defining Overweight andObesityconsidered healthy for a given height. The termsalso identify rangesof weight that have been shown to increase thelikelihood of certaindiseases and other health problems.
  4. 4. 3What causes obesity?There are a variety of factors that play a role inobesity. This makes it a complex health issue toaddress. Behavior, environment, and geneticfactors may have an effect in causing people to beoverweight and obese.
  5. 5. 4Assessing Health RisksAssociated with Overweightand ObesityBMI is just one indicator of potentialhealth risks associated with being overweight orobese. For assessing
  6. 6. 5Assessing Health RisksAssociated with Overweightand Obesitysomeones likelihood of developing overweight- orobesity-relateddiseases, the National Heart, Lung, and BloodInstitute guidelinesrecommend looking at two other predictors:-- The individuals waist
  7. 7. 6Assessing Health RisksAssociated with Overweightand Obesitycircumference (because abdominal fat is apredictor of risk forobesity-related diseases).-- Other risk factors the individualhas for diseases and conditions associatedwith obesity (for
  8. 8. 7Assessing Health RisksAssociated with Overweightand Obesityexample, high blood pressure or physicalinactivity).For more information about theassessment of health risk for developingoverweight- andobesity-related diseases, visit the following Webpages from the
  9. 9. 8Assessing Health RisksAssociated with Overweightand ObesityNational Heart, Lung, and Blood Institute:-- AssessingYour Risk-- BodyMass Index Table
  10. 10. 9Assessing Health RisksAssociated with Overweightand Obesity-- ClinicalGuidelines on the Identification, Evaluation,and Treatment ofOverweight and Obesity in Adults
  11. 11. 10Definitions for adultsForadults, overweight and obesity ranges aredetermined by using weightand height to calculate a number called the "bodymass index"
  12. 12. 11Definitions for adults(BMI). BMI is used because, for most people, itcorrelates with theiramount of body fat.-- Anadult who has a BMI between 25 and 29.9 isconsidered overweight.-- An
  13. 13. 12Definitions for adultsadult who has a BMI of 30 or higher is consideredobese.Itis important to remember that although BMIcorrelates with the amountof body fat, BMI does not directly measure bodyfat. As a result,
  14. 14. 13Definitions for adultssome people, such as athletes, may have a BMIthat identifies them asoverweight even though they do not have excessbody fat.
  15. 15. 14Preventing weight gainAs people age, their body composition graduallyshifts — the proportion of muscle decreases andthe proportion of fat increases. This shift slowstheir metabolism, making it easier to gain weight.In addition, some people become less physicallyactive as they get older, increasing the risk ofweight gain. The good news is that weight gain canbe prevented by choosing a lifestyle that includesgood eating habits and daily physical activity. Byavoiding weight gain, you avoid higher risks of ma