Cuba Reduces Death and Disease by Promoting Healthy Food, Exercise
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Cuba Reduces Death and Disease by Promoting Healthy Food, Exercise
Via NY Transfer News Collective * All the News that Doesn't Fit
[Slightly more than a decade since malnutrition threatened the island
of Cuba, blockaded by the US and cut off from its former USSR trading
partners, things looked grim indeed. Instead,Cuba embarked on a
crash program of organic gardening, heathlier eating, and the use of
oxen and other draft animals to help harvest home-grown crops to save
scarce fuel. Today they are once again fighting diseases of affluence
(cancer, diabetes. heart disease, hypertension and obesiy. They've
instituted a nation-wide nutritional improvement campaign to reverse
the latest trend. John Hopkins reports on their success sofar. - NY
Transfer]
Science Daily - Oct 1, 2007
http://www.sciencedaily.com/releases/2007/09/070928214552.htm
Source:Johns Hopkins Bloomberg School of Public Health
http://www.jhsph.edu/
Population-Wide Weight Loss in Cuba Resulted in
Fewer Deaths From Diabetes And Heart Disease
Science Daily " Researchers from the Johns Hopkins Bloomberg School of
Public Health, Cienfuegos, Cuba and Loyola University had a unique
opportunity to observe the impact of population-wide weight loss due to
sustained reductions in caloric intake and an increase in energy output.
This situation occurred during the economic crisis of Cuba in
1989-2000. As a result, obesity declined, as did deaths attributed to
diabetes, coronary heart disease and stroke.
"This is the first, and probably the only, natural experiment, born of
unfortunate circumstances, where large effects on diabetes,
cardiovascular disease and all-cause mortality have been related to
sustained population-wide weight loss as a result of increased physical
activity and reduced caloric intake," said Manuel Franco, MD, a PhD
candidate in the Bloomberg School of Public Health's Department of
Epidemiology.
"Population-wide approaches designed to reduce caloric intake and
increase physical activity, without affecting nutritional sufficiency,
might be best suited for the prevention of cardiovascular disease and
diabetes."
The study authors gathered data on energy intake, body weight and
physical activity using previously published literature from the Cuban
National Institute of Hygiene, Epidemiology and Microbiology, the Food
and Agriculture Organization of the United Nations, the Cuban First and
Second National Surveys on Risk Factors and Chronic Diseases and the
Cuban Ministry of Public Health.
There was a drop in the daily per capita food availability from the
late 1980s to 1995, resulting in a daily energy intake decline from
2,899 kcal in 1988 to 1,863 kcal in 1993. In 1987, 30 percent of Havana
residents were physically active. From 1991 to 1995, 70 percent of
Cubans were physically active as a result of widespread use of bicycles
and walking as means of transportation. Obesity prevalence in
Cienfuegos, Cuba, decreased from 14.3 percent in 1991 to 7.2 percent in
1995.
During the end of the Cuban economic downturn and the years following
it, there were substantial declines in cardiovascular disease, type 2
diabetes and all-cause mortality. The researchers report a plateau in
the number of deaths from diabetes during the food shortage of
1988-1996, when physical activity increased and obesity decreased.
"Future steps towards prevention of cardiovascular disease and diabetes
should focus on long-term population-wide interventions by encouraging
physical activity and the reduction of caloric intake," explained
Franco, who is also affiliated with the Johns Hopkins Welch Center for
Prevention and Epidemiology.
Johns Hopkins researchers Manuel Franco, Benjamin Caballero, Mariana
Lazo and Eliseo Guallar co-authored "Impact of Energy Intake, Physical
Activity and Population-wide Weight Loss on Cardiovascular Disease and
Diabetes Mortality in Cuba, 1980-2005". Additional co-authors are Pedro
Orduez, Jose A. Tapia Granados, Jose Luis Bernal and Richard S. Cooper.
The study was published September 19, 2007, as an Advance Access study
by the American Journal of Epidemiology.
Dr. Manuel Franco was funded by grants from the Fulbright Commission
and the Welch Center for Prevention, Epidemiology and Clinical Research.
*
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