Weight loss and regain in relation to diabetes and cardiovascular disease mortality: Cuba 1980-2010
Sign in to YouTube
Sign in to YouTube
Sign in to YouTube
Published on Apr 10, 2013
Variation in the prevalence of type 2 diabetes across populations can be largely explained by obesity. However, it is unclear as to what extent weight loss would lower cardiovascular disease prevalence.
Whole population trends in food consumption and transportation policies linked to physical activity could reduce the burden of type 2 diabetes and cardiovascular disease at the population level.
Following the Cuban economic crisis of the early 1990s, food and fuel shortages resulted in a decline in dietary energy intake and large increases in physical activity. This resulted in an average population-wide weight loss of 4-5kg (8-11lbs). Rapid declines in death rates from diabetes and coronary heart disease were subsequently observed.
Comparing disease rates over time can demonstrate the power of prevention and help identify key risk factors.
An international team of researchers from Spain, Cuba and the US (led by Dr Manuel Franco, associate professor at University of Alcalá) therefore examined the association between population-wide body changes and diabetes incidence (the number of new individuals who contract a disease), prevalence (the total number of cases in a particular period of time) and death rates from type 2 diabetes and cardiovascular disease, cancer and all-causes in Cuba between 1980 and 2010. Cuba is a country with a long tradition of public health and cardiovascular research which provided the necessary data from national health surveys, cardiovascular studies, primary care chronic disease registries and vital statistics over three decades. The Cuban population is relatively homogeneous and has undergone large social and economic changes directly related to food consumption and physical activity from 1980 through 2010.
Four population-based cross-sectional surveys were used and data were available on height, weight, energy intake, smoking and physical activity. All participants were aged between 15 and 74.
Population-wide changes in energy intake and physical activity were accompanied by large changes in body weight: between 1991 and 1995 there was an average 5kg reduction, whereas between 1995 and 2010 a population-wide weight rebound of 9kg was observed.
Smoking prevalence slowly decreased during the 1980s and 1990s and declined more rapidly in the 2000s. The number of cigarettes consumed per capita decreased during and shortly after the crisis.
Diabetes prevalence surged from 1997 onwards as the population began to gain weight. Diabetes incidence (new cases) decreased during the weight loss period but then increased until it peaked in the weight regain years.
In 1996, five years after the start of the weight loss period, there was an abrupt downward trend in death from diabetes. This lasted six years during which energy intake status gradually recovered and physical activity levels were reduced. In 2002, death rates returned to pre-crisis trends and a dramatic increase in diabetes death was observed.
Regarding CHD and stroke death trends we can see a slow decline from 1980 to 1996 followed by a dramatic decline after the weight loss phase. These descending trends have halted during the weight regain phase.
The researchers conclude that the "Cuban experience in 1980-2010" demonstrates that within a relatively short period, modest weight loss in the whole population can have a profound effect on the overall burden of diabetes and deaths from cardiovascular disease. They say that although findings show that a 5kg population-wide weight loss "would reduce diabetes mortality by half and CHD mortality by a third", these findings are an extrapolation from this one experience -- nonetheless they provide a "notable illustration of the potential health benefits of reversing the global obesity epidemic".
Read their research in full at: http://www.bmj.com/cgi/doi/10.1136/bm...
Standard YouTube License
- 26:59 Lifeline - Weight Loss without surgery - Tv9by Tv9 Telugu Featured 2,880
- 38:21 Dangers of Statin Drugs & How They Are Damaging the Brainby naturalhealthschool52,002 views
- 36:22 Dr. Mercola Interviews Dr. Stephanie Seneff on Statinsby Mercola14,130 views
- 37:46 Michel De Lorgeril: l'arnaque du cholestérol et des statines.by BioticTV16,768 views
- 8:00 Dr Natasha Discusses the Real Cause of Heart Diseaseby Justin Smith7,902 views
- 59:26 Peripheral Arterial Diseaseby University of California Television (UCTV)46,041 views
- 6:20 You Don't Need Statin Drugs!by iHealthTube.com27,828 views
- 59:25 How to Prevent & Reverse Heart Diseaseby vshvideo13,773 views
- 24:56 How to Cure Type 2 Diabetesby Diet Doctor73,245 views
- 7:48 Statin Drugs are Poisonby BeyondHealthInt35,479 views
- 5:15 Patti LaBelle Talks Luther Vandross & Diabetesby dLifedotcom3,081 views
- 12:32 sobrepeso y obesidad parte 1by David Figueroa204 views
- 13:01 TOP 10 Foods that do NOT affect the blood sugarby Diabetic Diet Guide156,822 views
- 25:17 Pathophysiology of Diabetes Mellitusby Andrew Wolf67,280 views
- 8:19 Side Effects of Statin Drugsby Natural Foods Diet - Natural Health Information16,497 views
- 47:18 Cardiology-(05) Valvular Heart Diseaseby Dooctoor FarouQ10,203 views
- 5:21 Avocado: Naturally Reverse Heart Disease, Plaque in Arteries & Lose Weightby SSQC2375,008 views
- 18:22 Tackling diabetes with a bold new dietary approach: Neal Barnard at TEDxFremontby TEDxTalks113,967 views
- 14:31 Oprah Show: Dr. Ornish on Reversing Heart Disease (Part 1)by DrDeanOrnish18,451 views
- 48:39 NHK Documentary: The Origins of Disease Episode 4: Heart Diseaseby MissingSky101166 views
- Loading more suggestions...