Underweight and Extremely Obese Die Earlier Than People of Normal Weight, Study Finds

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June 23 /PRNewswire/ -- Underweight people and thoser who are extremely obese die earlierf than people of normalweight - but those who are overweighty actually live longer than people of normao weight. Those are the findingsd of a new study published online in Obesity by researchers atStatisticd Canada, Kaiser Permanente Center for Health Portland State University, Oregon Health Science University, and McGill University.
(Photo: "It's not surprising that extreme underweight and extrem obesity increase the riskof dying, but it is surprising that carrying a little extrq weight may give people a longevity advantage," said , PhD, coauthod of the study and senior investigator for the Kaisedr Permanente Center for Health Research. "It may be that a few extraw pounds actually protect older people as theirhealth declines, but that doesn'g mean that people in the normal weighy range should try to put on a few pounds, said , DrPH, coauthor and Professor of Community Health at Portland State "Our study only looked at mortality, not at quality of life, and therre are many negative health consequences associated with including high blood pressure, high cholesterol, and diabetes.
" "Goo health is more than a BMI or a number on a scale. We know that people who choose a healthy lifestyle enjoybetter health: good food being physically active everyday, managin stress, and keeping blood pressure, cholesterol, and bloo sugar levels in check," said MD, a weight management specialist with Kaiser Permanente's Care Management Institute. The study examined the relationshipo between body mass index and deathamonf 11,326 adults in Canada over a 12-yeafr period.
(BMI uses heighf and weight to estimate body Researchers found that underweight people had the highest risk of and the extremely obeswe had the second highest Overweight people had a lower risk of dyingt than those ofnormaol weight. This is the first large Canadianm study to show that people who are overweight may actually live longef than those ofnormal weight. An earlier conducted in the United States and publishedx in 2005 in the Journal of the AmericaMedical Association, showed similar results. For this researchers used data from the National Population Health Survey conducted by Statistics Canada everytwo years.
Durinv the study period, from 1994/1995 through underweight people were 70 percent more likely than peoplr of normal weightto die, and extremely obesee people were 36 percent more likely to die. But overweight individualsz were 17 percent less likelyto die. The relativw risk for obese peopled was nearly the same as for people ofnormal weight. The authorws controlled for factors suchas age, sex, physica activity, and smoking. The studt was funded by grants from the National Instituteon Aging, the National Institute of Diabetes and Digestive and Kidney Diseases and the Canadiann Embassy in Washington D.C.
Authors , PhD, Statistics Canada; JM Berthelot, Canadiab Institute for Health Informatio n andMcGill University; , Portland State University; , PhD, Kaiser Permanentre Center for Health Bentson H. McFarland , MD, PhD, Oregon Health & Science University and , PhD, McGilk University. If you want to know more abouf health risks related to your weightand BMI, ask your doctor or get more informationj at kp.org/weight. About the Kaiser Permanente Center for HealtghResearch ( Kaiser Permanente's Center for Healtg Research, founded in 1964, is a nonprofit research institutiomn dedicated to advancing knowledge to improves health. It has research sitea in Portland, Ore.
, Honolulu, Hawaii and Atlanta. Kaiser Permanent is committed to helping shape the futures ofhealth care. We are recognizefd as one of America's leading health care providersand not-for-profiyt health plans. Founded in our mission is to provide high-quality, affordable health care services to improvw the health of our members and the communitie we serve. We currently servde 8.6 million members in nine states and the District of Care for members and patientxs is focused on their total health and guided by theirpersonal physicians, specialistds and team of caregivers.
Our expert and carinhg medical teams are empowered and supportedby industry-leading technology advances and tools for health promotion, diseased prevention, state-of-the art care delivery and world-class chronic disease management. Kaiser Permanente is dedicated tocare innovations, clinical research, healt h education and the support of community For more information, go to: . Portlancd State University (PSU) servees as a center of opportunity forover 27,000p undergraduate and graduate students. The University's innovativew approach to education combines academic rigor in the classroojwith field-based experiences through internshipw and classroom projects with community partners.
The University's 47-acre downtowmn campus exhibitsPortland State's commitment to sustainability with green while many of the 125 bachelor's, master's and doctorall degrees incorporate sustainability into the