Action call as obesity crisis grows  More than a third of all
adults across the world are overweight or obese, a report from a
UK think-tank has revealed, leading to calls for governments to
do more to tackle the growing crisis.  The Overseas Development
Institute (ODI) said that the number of people affected in the
developing world almost quadrupled between 1980 and 2008 to
nearly one billion.  In the UK some 64% of adults are overweight
or obese, classed as having a body mass index greater than 25.
The ODI warned of a huge increase in health-related problems
such as heart attacks, strokes, cancers and diabetes.  It
suggested that changing diets and over-consumption of food
linked to increased prosperity in the developing world was
largely behind the change.  As incomes increase, diets are
shifting from cereals and grains to a greater consumption of
meats, fats and sugars.  The ODI's Future Diets report found
that globally, the percentage of adults who were overweight or
obese grew from 23% to 34% between 1